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| Steve Lee | Tuesday, December 23, 2008 | ||||||||||||||||||||||
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2009年5月31日星期日
Battery care: 10 things you can do to make any battery last longer
Laptop Battery Dissected
Laptop Battery Dissected
Joseph Lopez Friday, May 02, 2008
Laptop batteries look plain and solid from the outside. Hp laptop battery,They come in all shapes and sizes, but for the most part they all look the same inside. Laptop batteries usually consist of 6 to 8 cylindrical lithium-ion 18650 cells with a PC board which communications with the laptop and offers over charging (voltage) protection.
The outside of a Laptop batteries is just the casing. It holds all the insides together and protects your hands when you are holding it.
You'll notice most Laptop batteries come with a lot of print on one of the sides. It tells you how that particular battery should and should not be handled. They all say something along the lines of:
WARNING:
Do not place Li-Ion batteries in fire orF2019A,heat the battery.
Do not install the battery backwards so that the polarity is reversed.
Do not connect the positive and the negative terminal of the battery to each other with any metal object.
Do not carry or store the batteries together with necklaces, hairpins, or other metal objects.
Do not puncture the battery.
Do not subject the battery to strong impacts or shocks.
Do not solder directly onto the battery.
Do not allow the battery to get wet.
And finally, do not disassemble or modify the battery.
Li-ion stands for lithium-ion. It is the most commonly used chemistry for Laptop batteries because of its high charge density and compact size. However, these perks come with great safety concerns. If lithium comes in contact with air, it will burn violently.
If you were to crack open a Laptop battery pack (something we DO NOT recommend because of the possibility of shorting out a battery and starting a fire) you would find the following.
This is a picture of a typical Li-Ion laptopF2019B battery with its casing removed. A common misunderstanding is thinking these batteries are made from one solid cell: False. Laptop batteries are made from multiple battery cells that are arranged in specific ways to attain the desired voltage and amperage. (Please refer to our Serial and Parallel Connections blog located here for more information).
Temperature sensors- monitor the battery temperature.
Lithium-ion cells- Store energy.
Voltage Converter- maintains proper levels of voltage and current.
Notebook connector- Used to transfer power between the battery and the notebook.
Voltage tap- which monitors the energy capacity of individual cells in the battery pack.
Battery charge state monitor- a small computer that handles the whole charging process to make sure the batteries charge as quickly and fully as possible.
Lithium-ion Cells (Source: OmniBook 6000 HowStuffWorks.com)
As with most batteries you have an outer case made of metal. The use of metal is particularly important here because the battery is pressurized. This metal case has some kind of pressure-sensitive vent hole. If the battery ever gets so hot that it risks exploding from over-pressure, this vent will release the extra pressure. The battery will probably be useless afterwards, so this is something to avoid. The vent is strictly there as a safety measure. So is the Positive Temperature Coefficient (PTC) switch, a device that is supposed to keep the battery from overheating.
This metal case holds a long spiral comprising three thin sheets pressed together:
A Positive electrode
A Negative electrode
A separator
Inside the case these sheetsF1739A, are submerged in an organic solvent that acts as the electrolyte. Ether is one common solvent. The separator is a very thin sheet of microperforated plastic. As the name implies, it separates the positive and negative electrodes while allowing ions to pass through. The positive electrode is made of Lithium cobalt oxide, or LiCoO2. The negative electrode is made of carbon. When the battery charges, ions of lithium move through the electrolyte from the positive electrode to the negative electrode and attach to the carbon. During discharge, the lithium ions move back to the LiCoO2 from the carbon.
These cells are controlled by a circuit board. It is usually located against one of the interior walls of the casing. Omnibook XE,The circuit board regulates how the cells work for both the process of discharging and recharging energy. It makes sure that your battery is not overcharged when charging, and it makes sure that each cell drains the same amount so you can have a longer run time.
Whenever you power up your laptop
Whenever you power up your laptop you may not think about the history that has gone on to help us get to where we are today. Our laptops have come a long way to become as powerful as they are, but what we do not think about is how far the laptop batteries have come. The history of laptop batteries is an amazing one. They have come along way, and in the end they still have a long way to go before they are perfect. However, we can be happyF2299A,that we have learned from our mistakes and come up with a battery that is lighter and longer lasting than older ones.
The laptop is a great thing. It allows you to use your computer without having to be plugged up to a wall. However, back in the day you could not run your laptop off the batteries alone for too long. Thanks to people always looking to improve what we already have, we have made great jumps in the history of the batteries. When we think of laptop batteries many of us think about the rechargeable ones that we use today. However, did you know that they used to make laptops that ran off AA batteries? Not only did it take a lot of AA batteries to run a laptop, but they could not run it for long. Many people today remember the laptops running off the very heavy lead acid based batteries. Not only did these batteries not last long, but it made your laptopF3172A, very heavy. You might as well been carrying around a desktop. Since then the history of laptop batteries have kept improving. In fact, after we turned in the old lead acid batteries we moved on to the nickel cadmium batteries.
Third, the problem people have with Python’s “functions” is actually that they don’t understand the reason behind things like "".join(stuff) or even worse str(mything) which then just calls __str__. The problem is in most other languages Objects have methods you access with “.” and rarely do they use multimethods. Python however mixes these multimethods with regular methods, and sometimes inconsistently. This design choice has advantages in that common things like converting to a string don’t pollute the public name spaceion ZT1000,, but the disadvantage is that it is honestly kinda ugly.
The laptop is a great thing. It allows you to use your computer without having to be plugged up to a wall. However, back in the day you could not run your laptop off the batteries alone for too long. Thanks to people always looking to improve what we already have, we have made great jumps in the history of the batteries. When we think of laptop batteries many of us think about the rechargeable ones that we use today. However, did you know that they used to make laptops that ran off AA batteries? Not only did it take a lot of AA batteries to run a laptop, but they could not run it for long. Many people today remember the laptops running off the very heavy lead acid based batteries. Not only did these batteries not last long, but it made your laptopF3172A, very heavy. You might as well been carrying around a desktop. Since then the history of laptop batteries have kept improving. In fact, after we turned in the old lead acid batteries we moved on to the nickel cadmium batteries.
Third, the problem people have with Python’s “functions” is actually that they don’t understand the reason behind things like "".join(stuff) or even worse str(mything) which then just calls __str__. The problem is in most other languages Objects have methods you access with “.” and rarely do they use multimethods. Python however mixes these multimethods with regular methods, and sometimes inconsistently. This design choice has advantages in that common things like converting to a string don’t pollute the public name spaceion ZT1000,, but the disadvantage is that it is honestly kinda ugly.
If you can deal with these three things, then Python is actually very nice and easy. The most important advantage to using Python that I’ve found is that what you want to do and what you end up writing are actually very closely aligned. Given the above “problems” with the language (to outsiders) the end result is actually very readable. Things like docstring comments (if you start a block, don’t use pass to defer it, write the comment)Pavilion XZ200, and self for everything (never having to explain scoping is great) just make it easier to see what’s going on.
#10) Pinax
Pinax is a series of reusable Django components that you find on almost every site done today. Here’s the short list from their site:
openid support
email verification
password management
site announcements
a notification framework
user-to-user messaging
friend invitation (both internal and external to the site)
a basic twitter clone
oembed support
gravatar support
interest groups (called tribes)
projects with basic task and issue management
threaded discussions
wikis with multiple markup support
blogging
bookmarks
tagging
contact import (from vCard, Google or Yahoo)
photo management
Now, normally when someone throws a laundry list of components at you,Pavilion ZT1100,the experienced reader says, “Yeah, those will be great until I have to modify the damn curved corner to be cornflower blue.” In this case though, I’m seeing that because of Django’s heavy focus on allowing for modular components right from the start, you can use these or modify them easily without having to tear your hair out. If one of the above components doesn’t quite work, then you should be able to (in theory) write your own and plug it in.
My guess though is that you’ll probably end up just modifying what they have since there’s like 90% of the functionality you’d find on nearly any social network site. In fact, I’d say Pinax is basically the same functionality that companies have paid huge consulting fees to have implemented.
I would be very careful running to use this on a major site or paid gig before you’ve actually sat down and put something real-ish together. James Tauber and friends are more than eager to probably work with you if you got ideas (and hopefully code), but if you start drooling when you read the above list and then expect it to magically reduce your time to delivery for a million dollar project, then you are probably going to get bitten.
Then again, I could see using Pinax to start many different sites and use it as the basis for getting your potential users/customers to tell you what they don’t like. My experience has been that users can’t tell you what they want since theyOmnibook XT1000, can’t conceive of the web site in their head, but if you show them something they’ll have plenty of ideas and needs for you.
That’s My One Battery Review Of Django
Alright, so I’ve laid out what I like, but I really only found these things by giving Django a go. Will I use it in the future? Sure, I’m planning on changing Son of Sam’s name to something more reasonable and doing a couple of sites with it. Now that I’ve used Django, I’m just gonna integrate SoS with Django and make things easy on myself. The sites I want to do can easily reuse portions of Pinax so it’ll be interesting to see how far along I can get before I hit a wall.
At this point, the only warning I’ve received is that deployment is hard, but then, Omnibook XT1500,deployment is hard with every web application once you start getting serious. No reason why Django would be any easier or harder.
You Wanna Try, But You Don’t Know Python?
I’ll tell you a secret, I didn’t type much Python to go through this tutorial. I actually just whizzed through it and cut-paste most of the code right off the web page. My goal was to go through the sample to understand the system, not to exercise my typing abilities. If you don’t know Python, then just try some cut and paste yourself.
Or, if you want to just try setting up a real Django app for yourself, try this tutorial on getting Pinax running. That’ll let you play with some of the gear without doing much.
Then, try out the tutorial anyway. F2019,It’ll be interesting to see how far someone can get without actually knowing much Python.
Of course, if you find you need to first learn some Python, then please don’t tell anyone I told you to skip the RTFM ritual.
One Laptop Battery Later And I'm A Django Fan
One Laptop Battery Later And I'm A Django Fan
I haven’t had much time to do any coding since I’ve been studying music full time, and I’m taking these two weeks to work on all the pent up projects and work I’ve been ignoring. One of those projects is to finally try out Django tonight. I’d been avoiding it because I didn’t want to Hp laptop battery,get sucked into yet another web application framework I didn’t need, but after spending one laptop battery going through the tutorial I just got one thing to say:
Django Fucking Rocks
Now, I know that when I drop the f-bombs and do crazy shit like disagree with people they get their panties in a bunch and call it trolling. Calling disagreement trolling is kind of the inverse of Godwin’s law but I simply gotta throw the passion in there and say it FUCKING rocks.
However, I’m about to qualify this sentiment with the reasons why, based on my experience as a web developer for nearly every industry that uses software, Django is truly good stuff. Most of my review of Django so far is based on this experience, and it in noF4098A, way states that your framework isn’t also good.
As you read this, turn off the binary bit for a minute and realize that I’m going to tell you what I like about Django so far, not how Django is better than your framework.
Got the bit turned off? You sure, 'cause I don’t want to get emails debating me that start with your framework also does this stuff. That’s nice, but not what I’m talking about. What I’m talking about is what I like about Django.
And now, in order of how I encountered them, the top 10 things I like about Django.
#1) The Documentation
The Django Documentation is pretty damn good so far. I think modern web F4809A, frameworks generally have good free documentation, but so far Django’s has been very easy to follow, attractive, and dead accurate. I’m sure I’ll run into errors here and there, but when I get comments like this from the community:
[ubernostrum] zedas: one thing that’s not so well-documented, actually is the admin.
I know that the people doing the documentation care enough to take changes, patches, and feedback.
Currently I’ve read the Overview, Installation, Tutorial and about 1/3 of the Django Book 2.0 and I’ve browsed many random topics like signals which look very useful.
Based on this review of the documentation, I can say that I haven’t hit any major errors, problems with clarity, or problems finding anything.
#2) The Community
I just gotta say Python people are pretty nice. Sure, geek communities everywhere are full of weird people, and I guess that’s why I get along with them so well. But in the Python world, I’m probably the meanest guy they know.
What’s more important though is they started helping right away. I was on the #django channel on irc.freenode.org and just mentioned that I was learning Django. Now, I didn’t actually ask for help, since I’ve been doing this long enough to figure this stuff out fairly quick, but people started pointing meF4812A, at better docs without me asking.
It’s refreshing to run into a group who’s attitude is, “Oh, newbie, ok read this and that and that, and oh that too but watch out for…”
#3) The Admin
For those of you who don’t know, Django has this cool feature called The Admin which uses your object model and the components you’ve installed in your site to provide you with a fully functioning admin console. With this you can create sites, alter objects, list, delete, sort, filter, drill down, make tables, everything you do in 90% of all enterprise applications.
Going through the admin, and how easily you can make your own modifications, I just feel angry because I’ve had to write that same dumb “sortable-table-of-objects-with-drill-down-filters” over and over and over. Each time in a different framework with a different language. I look at the “log of things you’ve done” 11-001319411-001to the right and cry. I’ve had to implement that over and over. Each time it was “always way different from the last time” and then it was just exactly what Django has staring at me and mocking me.
I say, if you’re doing the typical enterprise bullshit coding that’s nothing more than a ton of tables with sorting, you should seriously be trying out the Django Admin. Even if all you do is use it as a way to get a prototype in front of users for initial feedback and discovery it will still save you mountains of work later.
#4) The Admin Docs
Once you install docutils this wonderful world opens up where gnomes run around singing and telling you naughty little secrets about your application. With that one skeleton key, your Django Admin will actually let you drill into all your models and views to see their structure. No more dumping SQL databases to find out the name of that damn table for the Person class and whether there’s a VARCHAR on it causing you problems.
Instead you just hop over to the console and browse around. sario 2100(compaq 2100),Take a look, see what the models are doing, glance at the views. Forget the template syntax? It’s there. Forgot what URL to use for the user view? It’s there. Need to know all the tags? Yep, all there.
#5) The Conferences
As I work on this little poll application in the tutorial, I remember that I’m going to Prague for EuroDjangoCon 2009 to give a keynote. I’ve been to many conferences, with last year being the most I’ve ever done, but this conference season I only have time for one. How could I pass up such a cool list of speakers, nice group of people, and a visit to Prague?
When I think of the Python conferences I’ve been to, I’ve liked all of them quite a lot. They are rarely heavily commercial, usually very cheap, and have a much more laid back community feel to them.
The coolest thing though is meeting John Draper at PyCon. Not sure why he was there, but that was pretty cool.
#6) The Modularity
I mostly ignored Django for most of its life because I thought it was just another web framework. Yawn. Yay. Presario 2500(compaq 2500 battery), A framework. Joy. Models. Views. Controllers. Oh boy, I think I’ll just stick to one of the hundreds I already know.
Then I saw James Tauber talking about Pinax but more importantly, talking about how 2008 was the year of modularity (he used different words). Apparently, Django has been pushing the idea of having discrete “applications” that act within a “site” as cooperating but separate components.
The idea is that, unlike other “components”, these ones act like decoupled little web sites you can put in and configure for a site, and through the magic of HTTP work seamlessly. From this you can have fully packaged applications that implement functionality you need, like authentication, or caching, or tribes without having to gut your whole application and muck around in code.
If that particular component isn’t working well for you, then you can just modify it, or write your own. Since it’s loosely coupled, and you hopefully kept it that way, then the change isn’t too painful.
This change in the architecture Presario NX9010, of a site from “the site is the application” to the “site has many small applications” is powerful to me. I know other frameworks tried similar things, but since they tried to implement their plugin/module systems through code rather than web plumbing it tends to be more brittle.
Obviously, this can’t be all roses, as I’m sure anyone who’s tried to use Django apps will say, but the fact that there’s a concerted and coordinated effort to make it a central part of Django means your burns will be only 1st degree.
#7) The Simplicity
At first, I was pretty worried when going through the tutorial because it had me returning HttpResponse objects in the buff with no help. As I went through it though they corrected this, and it turned out that much of the code I was writing (or just pasting, 'cause I’m lazy) was very small for a lot of work done. Presario NX9000Each paragraph of the tutorial made the code for a generic CRUD application smaller and smaller until they showed generic views eliminating most of it.
2009年5月30日星期六
Segmentation power subsystem
Segmentation power subsystem
Many portable systems are generally based on several different parts of the structure or composition of district. In addition, each district may have its own set of power requirements laptop battery. These portable systems to meet the different needs of the individual often require specialized portable power chips.
Because of its electrical power output and low noise, dell laptop battery,linear regulators chips are usually installed in a portable system radio frequency (RF) in the district. Many linear regulators are open to provide rapid, and RF-conditioning needs of low-noise operation. There’s no need to ICP, they are very small in size, occupying only a small amount of board space.
In order to implement different lighting functions inspiron battery, such as: the camera flash digital cameras, portable cameras to provide continuous lighting or liquid crystal display and keypad of the backlight, may also be required number of DC / DC boost converter. An organic liquid crystal displays (organic light-emitting diode) of the bright colors may also require a certain level of voltage conversion.
Processor chip (including the general-purpose processors and digital signal processor (DSP)) have their own set of norms of power. dell 312-0386,Most processors are high-current, low-voltage devices, requirements to undergo a rigorous conditioning power. In order to be portable system down to 3.3 V power processor 1.2 V level, voltage converter is the most commonly used method. Usually, it 1691P requires a large current can provide a highly efficient DC / DC converters.
Of course, some highly complex system requirements Latitude D620, 312-0386, PC764, TD175, Latitude D820, Latitude D830, MM165, YD626, 312-0393 for portable power equipment for all or part of the power sub-system for monitoring and management. For example, the voltage monitoring device can monitor the power system, in response to some of the time of the incident to open or close the subsystem. A Power Management Unit (PMU) will be many possible by a number of discrete implementation of the power supply device functions into a single chip 75UYF . PC764,This integration cost savings, board space and design time.
Microchip introduced the integration of field-programmable power
A few days ago, microcontroller and analog semiconductor supplier Microchip Technology (micro-core technology companies in the United States) to further expand its lineup of battery management products, today announced the launch of the integration of field-programmable power, applicable to 2-4 lithium-ion and Lithium polymer laptop battery, or 6-12 nickel-hydrogen batteries and nickel-cadmium battery applications. New devices with smart battery system (Smart Battery System, called SBS), can accurately judge the battery power and provide battery monitoring function, improve the application of security, with the end-of-discharge (End of Discharge, called EOD) control,TD175, then extended Battery life and working hours.
PS501 battery management IC products used Microchip high-performance, low-power PIC18 microcontroller core, its 16 kilobytes of memory-chip memory in the Accuron ® patented algorithm.
The hp battery management devices of current low, only 150 microamps. When the suspension of work related applications, the device will automatically enter the low-power sleep mode, power consumption less than 1 microamp, both energy conservation and reduce excessive battery discharge.
The new device also integrates a 16 programmable Sigma-Delta ADC, as well as to optimize the professional application of mixed-signal circuits. As a result, the device can not only accurate measurement of Pavilion DV1000 battery current, temperature and voltage, but also directly connected to as many as four series lithium-ion or lithium-polymer battery pack. EEPROM device can be stored on the user and set up the system by “learning”, was the battery parameters. The device also has a precise silicon oscillatorLatitude D820, , no longer need an external crystal. The new device hardware and advanced algorithms will be combined balance of the battery, the device could well be applied to lithium-polymer battery applications.
The new device has 12-pin universal, support charge and safety control or user programmable digital I / O. The eight-pin can only be used for light-emitting diode driver, while another two to make a direct FET (FET) drive the open-drain. The device can be industry-standard Pavilion ZV5000 battery SMbus protocol with the host, and to support all Sbdata parameters.
Microchip for the PS501 battery management products provide a wide range of system development. One for lithium-ion or lithium-polymer battery, Microchip launched a series for four batteries of the PS5164EV, three batteries Latitude D620, 312-0386, PC764, TD175, Latitude D820, Latitude D830, MM165, YD626, 312-0393 of the series and two series PS5163EV battery PS5162EV; for nickel-hydrogen batteries and nickel-cadmium batteries, used to launch 6-12 series battery PS5100EV. These systems include the development of an application board, PowerInfoTM 2 interface board (PS051) and fringe of the cable, and documentation. In addition, the support of Microsoft Windows ® PowerToolTM 2 (PS050) software built-in wizard procedures to facilitate the assessment of engineers in the development of systems and application-specific parameters and Pavilion DV4000 battery optimization,Latitude D830, and provide PS501 applications such as custom programming and board and other adjustments Production support.
Accurately report lithium batteries and nickel consumption of power management products
Microchip Technology (micro-core technology companies in the United States) to further expand its lineup of battery management products, today announced the launch of the integration of field-programmable power, applicable to 2-4 lithium-ion and lithium polymer batteries, or 6-12 Of nickel-hydrogen batteries and nickel-cadmium battery applications. New devices with smart laptop battery system (Smart Battery System, called SBS), can accurately judge the battery power and provide battery monitoring function, improve the application of security, with the end-of-discharge (End of Discharge, called EOD) control, then extended Battery life and working hours.
PS501 battery management IC products used Microchip high-performance,MM165, low-power PIC18 microcontroller core, its 16 kilobytes of memory-chip memory in the Accuron ® patented algorithm.
The battery management devices of current low, only 150 microamps. When the suspension of work related applications, the device will automatically enter the low-power sleep mode, power consumption less than 1 microamp, both energy conservation and reduce excessive hp battery discharge.
The new device also integrates a 16 programmable Sigma-Delta ADC, as well as to optimize the professional application of mixed-signal circuits. As a result, the device can not only accurate measurement of battery current, temperature and voltage, but also directly connected to as many as four series lithium-ion or lithium-polymer Pavilion ZV5000 battery pack. EEPROM device can be stored on the user and set up the system by “learning”, was the battery parameters. The device also has a precise silicon oscillator, no longer need an external crystal. The new device hardware and advanced algorithms will be combined balance of the battery, YD626,the device could well be applied to lithium-polymer battery applications.
The new device has 12-pin universal, support charge and safety control or user programmable digital I / O. The eight-pin can only be used for light-emitting diode driver, while another two to make a direct FET (FET) drive the open-drain. Latitude D620, 312-0386, PC764, TD175, Latitude D820, Latitude D830, MM165, YD626, 312-0393 The device can be industry-standard SMbus protocol with the host, and to support all Sbdata parameters.
Microchip for the PS501 Pavilion DV4000 battery management products provide a wide range of system development. One for lithium-ion or lithium-polymer battery, Microchip launched a series for four batteries of the PS5164EV, three batteries of the series and two series PS5163EV battery PS5162EV; for nickel-hydrogen batteries and nickel-cadmium batteries, used to launch 6-12 series battery PS5100EV. These systems include the development of an application board, PowerInfoTM 2 interface board (PS051) and fringe of the cable,dell 312-0393 and documentation. In addition, the support of Microsoft Windows ® PowerToolTM 2 (PS050) software built-in wizard procedures to facilitate the assessment of engineers in the development of systems and application-specific parameters and Presario V2000 battery optimization, and provide PS501 applications such as custom programming and board and other adjustments Production support
A new awareness of notebook lithium battery maintenance
A new awareness of notebook lithium battery maintenance
For notebook computers, batteries can be said to be a more important components,dell laptop battery,it directly related to the performance of laptop computers in the absence of power in an environment of the ability to work. The notebook computer batteries in the components of the public also can be considered a letter of consumables, related to the maintenance of laptop batteries and reasonable use of the forum is also frequently discussed the issue. On the notebook computer batteries in the shelving of the time saved is more than the number of stay, and whether the use of AC will remove the laptop battery problems, are not always what unified answer. I pay attention to many foreign experts in the experience, they will sum up the general view, for your consideration. Read the paper, you will find that many of them and generally we received the recommendations of the existence of some differences in the number.
Lithium batteries in a life-cycle can be within the normal 300 to 500,dell 6T473filling the release. So many people think that as long as using less battery so that you can to a certain extent, played a role in extended battery life. But they overlook the battery is the physical nature of the original, when the end of the battery assembly from the production line, its internal life began walking on the clock. So even if you do not have to hold the battery, lithium battery life was only in two to three years on the dead. Battery capacity and lead to the reasons for the decline was due to oxidation caused by increased resistance within the cell. When the cell resistance to a point, although this time the toshiba battery can still fully charged, but has not released the battery is stored in the electricity.
Caused by lithium batteries that the rate of aging is shelved by Inspiron 1100, Inspiron 5100, 6T473
Inspiron 630m, Inspiron 640m, Y9943, RC107
Latitude D620,the temperature and save the state and charging decision. I will give a form of these two factors to explain the different situations on the impact of battery capacity.
Visible from the table, high status and charging excessively high temperature of the battery capacity to accelerate the decline. Inspiron 630m,Therefore, if possible, as the battery charge to 40% placed in a cool place preservation. This will in the long time period to preserve its own battery protection circuit in a working state. If fully charged battery will be placed under high temperature, which will cause great damage to the battery, have also been seen in the table, charging 100 percent in 60 ° C environment preservation, three months after the VGP-BPS5 capacity fell by 40% . Therefore, how to solve the problem of preserving the battery, but also brings everyone has been another focus of the debate, that is, when we use the power of the fixed time, whether it is necessary to remove the battery » In resolving this issue before Let us first analysis of the use of fixed battery power when placed in a computer in their environment…… notebook computer at this time because the charging protection circuit, the battery maintained at 100% of the state for electricity,Latitude D620, and this When the battery temperature environment in which at least between 25-30 ° C, if the hot weather, the temperature will be higher, then from the table that you should be very natural to come to a conclusion that such a Batteries will do in fact cause damage, thus leading to the decline of its capacity.
However, despite the use of laptop computers, high temperatures will bring damage to the battery. Inspiron 640m, But Qudiao battery, power will only use fixed, there are some dangerous, and that is dust and moisture will cause certain damage to the PA2487UR , and laptop computers in order to avoid the use of the environment of a sudden power notebook computers may cause injury, In general, manufacturers are warning people not to remove the battery. Of course, such a result and we can imagine, your battery as often in this relatively poor circumstances, how long will not over, then you need to repair centre to replace the battery, so that benefit The manufacturer is a natural.
The last is the focus of all attention is the lithium battery how reasonable charge and discharge this problem. The lithium battery,dell Y9943, is the best part of a discharge, rather than fully discharged, and to the extent possible, avoid the regular fully discharged. Often too low battery discharge so that the results can only be scrapped batteries in advance, because if the battery into each unit below 2.5 volts, the internal battery safety circuit will operate, this time the battery will become some bad spent. So in order to avoid the occurrence of such cases, not to save PA3383U-1BRS power before it will release a completely, but should save some electricity before filling, and again before the first full use of electricity.
All in all, in order not to your battery premature loss of the role, then in peacetime use, Inspiron 1100, Inspiron 5100, 6T473
Inspiron 630m, Inspiron 640m, Y9943, RC107
Latitude D620,you should try to comply with the following principles:
A. avoid fully discharged, and often for lithium batteries. And repeated arbitrarily charge of the lithium battery of injury is very small, almost negligible.
B. will need to shelve the preservation of the lithium batteries placed in the shade, remember not to put in the refrigerator. dell RC107On the high temperature to avoid the car, such as long preservation, the battery charge to 40 percent after the place.
C. If you most of the time in the use of fixed power, remove the PA3107U-1BRS placed in the shade.
D. there was no need to purchase a backup lithium battery storage, so this is actually a waste of battery.
The battery is used, as long as reasonable attention to the use and custody, there is no need for them to care too much, it’s as much as possible for its contribution to the masters of the more performance is the most important.
Teach you how to extend battery life notebook
Teach you how to extend battery life notebook
Laptop battery life a long time, they are often dissatisfied with the charge, or even show damage and must therefore be in use when the attention of some tips: Whether you use the notebook lithium or nickel-hydrogen power, to the extent possible, after the exhaustion of basic electricity charge (electricity Less than 5 per cent), dell laptop battery,which is to avoid the best way memory effect. In fact, lithium-ion battery has some memory effect, only smaller than many nickel-metal hydride batteries only. But it should be noted that, charging, to avoid long time, the general control within 12 hours.
Battery life is not by the length of time, but by the number of charging and discharging to the decision. If the battery always with a notebook and not to take down, then shut down machines and even remove the AC power, the hp battery will not like the imagination, as has been the state when fully charged. Notebook computer batteries due to the battery in the integrated control circuit, so even if the computer is shut down when power is power. As one connected to AC power,6Y270, will begin charging the battery, when turned on or off the power, the battery will be repeated charge and discharge, the impact on battery life.
To this end, the use of an external AC power when the best disconnect the battery, or long battery life in a fever state of its impact. If the batteries do not have long to charge and discharge at least 12 months time, to ensure that its activity. In the custody of the battery when there is a need to pay attention to the problem. Currently, the vast majority of notebook used by the lithium-ion Pavilion DV4000 battery long time if not in use, they often excessive discharge of the phenomenon, may no longer be able to charge.dell 6Y270, In order to prevent excessive discharge, in the semi-charged state will save in a cool dry place, and then every six months, and then charge their electricity to half of the state.
In addition, the impact on battery life of factors including the use of the temperature (in the proposed use of the following 30 ℃), battery storage temperature and battery suffered shock size. In the use of a battery after a period of time will be aging, specific performance is the resistance of larger, the time in charge at both ends of voltage rise faster, thus easily be charging control circuit judge to have the full capacity and is also a decrease of . Presario V2000 battery correction is to deal with the aging batteries effective way, Inspiron 5100,there will be only a small number of laptop batteries correction software. If your laptop does not discharge the special software, you can follow the steps below:
● will disable the screen saver;
● in the Windows power management will use the power programme is set to “always open”;
● alarm in the tab will be “electricity shortage warning” is set to 10 percent, operation is set to “no operation”;
● “serious electricity shortage warning” is set to 3 percent, operating as “pending”;
● transferred to a maximum brightness of the screen;
● confirm all the windows closed, dell 6Y270 battery,and save all the data before work;
● confirm batteries in more than 80 percent, to unplug the power and all external equipment.
After the discharge notebook will automatically shut down after the power plug to recharge laptops, this process can be repeated two or three times, the goal is to continue on the current ThinkPad R40 battery discharge, which discharge status in our day-to-day use is not possible Achieve, the effect of the discharge and those dedicated software basically the same.
How to correctly for the notebook computer batteries
Some of the lithium-ion batteries equipped with laptop computers, such as the use of the SBS wisdom of the battery system technology, can accurately measure battery life, so using them to worry some. Although lithium-ion laptop battery has many advantages, but to extend battery life, power supply to maintain a longer period of time, also need to have some professional charging method.
To buy back the new lithium-ion batteries used in the first, to carry out three full charge and discharge,dell 1X793, that is to be fully charged battery at least once, and then to take power, repeated three times before use. To activate the internal battery of chemical substances so that the electrochemical reaction within the battery into the best condition in the future use of that can be arbitrarily charge that is used, but to ensure that within one month of battery must be a complete discharge, so The depth of discharge can stimulate the activation of the battery, the battery life plays a crucial role. If more than three months did not use the sony battery, should also be used again before the new battery with three times as the full charge and discharge, to ensure that the activation of the battery.
The use of nickel-hydrogen batteries, to very good control of charging time, should be careful not to over-charging frequently, otherwise it will shorten battery life. In addition, the rechargeable nickel-metal hydride batteries should be fully discharged before, also in charge when fully charged, and in normal use, also requires completion of three full charge and discharge.
Most users in the habit of using a laptop computer each, will plug the AC power supply, very little battery power supply to the laptop. dell C1295 In fact, at least a month should be used to supply one or two batteries, the PCGA-BP2R fully exhausted, followed by a one-time on the AC. Remember this one, the rechargeable battery, will be used to full capacity, sound and beneficial, because the use of notebook computer lithium-ion batteries There is a certain inertia effect, a long time not to use lithium-ion will lose their activity, need to Re-activated. When the notebook computer in the room when the best use of AC removed the battery, so as to avoid a charge to regular status. Powers the best close notebook computers, the battery fully charged, can not disconnect the power in the middle of charge. Charge complete, it should be 30 minutes before use.
In addition, since the battery power very easily exhausted,Inspiron 1100, the majority of notebook computers and only one cell, therefore, part of T computer manufacturers developed a fast charge of the function so that users can use electricity exhausted after the fastest pace supplementary power . For example, Dell notebook computer with ExpressCharge feature, in one hour, charging more than 90 percent. Why not 100 percent? «According to the lithium battery charging and discharging characteristics, if often rapid charging up to 100%, during the life of the PCGA-BP2s on a shortened, so the back of 10 percent from before the fast to slow charge to extend battery charge Life.
The absence of such features of ordinary laptops, the shutdown is the best way to charge, charge shutdown will reduce the boot charging more than 30 percent of the charging time.
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Phone battery purchase
Phone battery purchase
In the selection, the first observation of product description, in accordance with state regulations, to enter the sales market for laptop battery products bearing the following explicit request: battery type, rated voltage, rated capacity, battery polarity,dell laptop battery, the factory number, date and pre-warning, the user may The requirements of their choice.
In addition to considering the purchase of battery brand factors, is usually different from the type of battery capacity and the prices are not different, and so on. Generally cheaper than nickel-cadmium batteries, nickel-hydrogen batteries moderate; most expensive lithium-ion batteries.Latitude D500, Price from 200 yuan to 1,000 yuan a range. From the capacity perspective, with the increased capacity will be increased prices. In the same phone, the waiting time will increase.
Should also be considered in the purchase of the requirements of the charger. As has been nickel-metal hydride and nickel cadmium powerbook battery charger, the purchase of nickel-metal hydride type of nickel-cadmium batteries. If the preparations for the purchase of lithium-ion battery, should be targeted for the Chargers. Latitude D505,If the phone itself with the purchase of battery chargers to be noted in the statement of whether the cell phone battery is a set of requirements.
Prevent the purchase of fake and shoddy products of the basic approach: We now have two types of products on the market, a for foreign brands such as Toshiba, Sony, Nokia, Motorola, a three-funded enterprises or domestic product manufacturers. With the development of China’s telecommunications industry, to break the cell phone market foreign products unify the world situation, as China’s mobile phone battery manufacturers continued efforts, it is the quality of China’s mobile phone batteries are significantly improved, and more than 10 manufacturers products meet or Similar to some foreign mobile phone battery level. On lithium-ion A1012 production has also entered the market development stage, this is undoubtedly from the price and market share impact on the foreign market in China. But there are some unscrupulous elements from the battery appearance it is very difficult to determine the manufacture and sale of real and fake,Latitude D510, counterfeit and shoddy phone batteries There are three main conditions:
To scrap batteries or manufacturers fail screening from the acquisition of the battery assembly as a new low-cost sales;
And inferior batteries will be affixed with a trademark of impersonating a famous brand name for sale;
Zapai poor battery will be sold at low prices to attract customers, in addition to nickel-cadmium batteries as nickel-hydrogen batteries or lithium-ion A1078 impersonation.
At present, many consumers once the pursuit of foreign brands, or the price cheap, but I do not know the purchase should pay attention to the problem is often buy counterfeit or fake and shoddy products, once found it impossible to resolve in accordance with the normal channels, eating the losses.Latitude D520, We recommend that consumers buy products to the following questions:
Users should buy as much as possible to hold the manufacturer or sells permits phone or battery store operations or marketing or production of factory sales outlets to buy.
Batteries should be affixed with a registered manufacturer of the Model security signs, pre-qualified test card, warning and logo (including: the production number, date of the factory, rated voltage, rated capacity, polarity, battery type, A1148 model), and the production of Manufacturers, address and telephone number or zip code.
No cell surface should be smooth burr, battery positive and negative polarity contravention of spring should express positive and negative polarity.
When the purchase of foreign cells suspected true, Latitude D600,it may take the form of judgement:
No. found the battery factory, a battery factory product unique code, from the normal commercial channels to enter the Chinese market is the specific scope of the code, consumers can be commissioned by the manufacturer of the contractor to identify false departments.
By comparison, users adopt the right way, after adequate observation of standby time. If the original battery is 500 mAh capacity, for 24 hours of standby time, if the purchase of 1000 mAh capacity of the PowerBook G3 battery , its standby time in about 48 hours.
If the battery is indeed found a problem that requires arbitration,Latitude D610 can be sent to the detection ability of the authority of quality inspection units.
Fake and shoddy battery standby time is short, usually only a few hours, with authentic standby time of up to 24 hours or more. Fake and shoddy battery charge and discharge the number of small, often dozens of times, life can only use two to three months, and the general authentic batteries can be used for more than a year, if used properly can be up to two to three years.
Although mobile phone batteries have the attention of the PowerBook G4 battery should not be on the positive and negative polarity to short-circuit, but requires a cell phone battery short-circuit protection recovery, when short-circuit the battery in a short period of time, the battery should have no Fatang, deformation, dell 312-0068 battery are negative And disconnect after a certain period of time, the battery can resume normal output voltage and can carry out the normal charge and discharge.
2009年5月29日星期五
laptop Battery recycle
Battery recycle
Battery is generally cylindrical in shape with two terminals, one positive electrode and one negative electrode that conduct electricity along with a substance called electrolyte, that works on the electrodes, chemically and help convert into electrical energy. IBM Laptop Battery,There is a copper wire that connects the two electrodes. Materials that are used in batteries are carbon, alkaline, chlorine, lithium ion, lead, nickel, sodium, silicon, copper, etc.
Batteries are classified into two- Dry cells and wet cells. The wet cell batteries are also termed storage 02K6928, 02K6620, 02K7039battery ( VGP-BPS5) as they can be recharged as many times as possible. Batteries are also divided as rechargeable and non-rechargeable or disposable batteries. The second type is again termed as primary cells, used till the chemical that produce the electrical current supply is fully consumed, at which point the battery is not needed anymore. These types of batteries are used very commonly in ThinkPad Z61t,small and portable piece of equipments that drain low current.
The other type is rechargeable or in other words secondary cells that can be “refueled” even after being completely consumed. For recharging, these batteries need some external help from devices as chargers or re-chargers.
In the present world due to the development of science and technology almost everything (papers, plastics, b, FRU 92P1167, ThinkPad Z60t, ThinkPad Z61t,atteries, aluminum, etc.) can be recycled without wasting it by just throwing it after use. Thus we see that recycling is a procedure by which waste products are recovered for reusing, which is also known as waste management.
Laptop Battery recycling falls under electronic waste or e-waste. Here any discarded, broken or unwanted electrical or electronic equipments, ThinkPad Z60t,containing toxic materials are recycled for further use. Batteries like, nickel-cadmium, lead, lithium batteries are made to reuse as the chemicals present in them can cause harm to the environment if allowed to stay long in open air after being discarded by the users. Moreover batteries are regarded as the most expensive energy source and their production requires much valuable recourse, so they are recycled so as to restore those valuable materials 02K6928, 02K6620, 02K7039
ThinkPad X60 from those old and used batteries through battery recyling.
Cadmium is a heavy metal and can cause pollution if burned or cremated. To avoid lead pollution lead-aced batteries are processed. This program is considered to be highly successful. Lithium-ion can be very dangerous if exposed to high temperature or sunlight, it can ignite or explode. 02K6928,Therefore battery recycling is a must if we want to protect our environment.
The Recycling Process:
First of all, the batteries to be recycled are sorted according to chemistries such as nickel-cadmium, FRU 92P1167,nickel-metal-hydride, lithium, alkaline etc. The combustible material, such as plastics and insulation, is then removed with a gas fired thermal oxidizer, which is the first step in the recycling process. Most recycling plants have scrubbers where the gases from the thermal oxidizer are neutralized to remove pollutants, producing clean, naked , FRU 92P1167, ThinkPad Z60t, ThinkPad Z61t,cells that contain precious metal content.
The metal in the inspiron 6400 batteries are then heated to liquefy, after they have been hacked into little pieces. Black slag left by burned out non-metallic substances are scraped off with a slag arm, and the different alloys that settle according to weight are skimmed off. Some plants pour the liquid metals directly into (65 pounds) or ‘hogs’ (2000 pounds) without separating on site, ThinkPad X60,which are then shipped to metal recovery plants to produce nickel, chromium and iron re-melt alloy for the manufacturing of other metal products.
State and Federal Regulations in the United States:
The Mercury-Containing and Rechargeable Battery Management Act was passed in 1996 by the U.S. Congress which requires regulated batteries such as Ni-CD batteries and sealed lead-acid batteries to:
1. be easily removable from consumer products to make it easier to recover them for recycling
2. include in the label the battery chemistry, the “three chasing arrows” symbol,02K7039 and a phrase that instructs users to properly recycle or dispose the battery
3. provide national uniformity in collection, storage, and transport
4. phase out the use of certain mercury-containing batteries
By recycling batteries the environment is not being polluted nearly as much, many natural resources are saved due to the rechargeable laitude d620 batteries also. 02K6620,There is a large variety of websites on the Internet with more quality information on recycling batteries.
Microsoft's Azure is not Hailstorm, but what's the laptop battery
Microsoft's Azure is not Hailstorm, but what's the laptop battery
Microsoft has made its Azure cloud computing announcements at PDC, Compaq Laptop Battery
,
so now we know what it's doing: it is extending Windows 2008 Server into the online market so that programmers who develop applications in Visual Studio (and other things, see below) can test them locally and deploy them globally. Azure runs the same code but uses a hypervisor to distribute it across multiple machines and, next year, multiple data centres on different continents. Application management is automatic. It's not clear how you'll pay for it, but there will be some form of pay-by-use based on processor time, disk storage and bandwidth.
One of the questions that inevitably came up was whether EVO N400c, Presario 900,EVO N410c, EVO N600C, EVO N610C, EVO N620C, Presario 1200, Presario 1800, 116314-001, Presario 700, Presario 900, Presario 1700, Presario X1000, Armada E500
Azure was just Hailstorm revisited. See, for example, Ina Fried's Azure manages to avoid a Hailstorm of criticism, and Mary-Jo Foley's Ozzie responds: Is Microsoft Azure just 'Hailstorm' revisited?
Hailstorm was the codename of Microsoft's last attempt at cloud computing, which was based on its .Net programming platform, but it was based on using Microsoft services (such as Passport for identity management) rather than Microsoft servers.
The .net framework has been a success, but in 2001, world+dog threw a wobbly at the whole idea of relying on Microsoft services. Also,Presario 1700, hosted applications such as Microsoft Office -- which was available over the net -- didn't get any traction. But Azure is a different proposition. As Ray Ozzie tells Mary-Jo:
"In that era (Microsoft) believed in pure centralization in 'true integrated storage,' the middle. My DNA tells me — and you can see this in my past and what I've done before — that it's a world of decentralization and that you synchronize the truth amongst many things, both in the center and at the edge on the devices where you need them. So, that's very architectural different."
Whether Azure is actually any good is another matter, but it does take the cloud computing idea into distributed and multitenant applications.Armada E500 As Microsoft says:
The fundamental assumption in Windows Azure is that there is no single point of failure. No computer by going down will take down your application. If your app is not written in that way ... then fundamentally the application pattern does have to change.
Dion Almaer, one of the Google Gears developers who went to the show (but who is not speaking for Google, of course), blogged:
Everything that was announced we pretty much knew was happening. EVO N400c, EVO N410c, EVO N600C, EVO N610C, EVO N620C, Presario 1200, Presario 1800, 116314-001, Presario 700, Presario 900, Presario 1700, Presario X1000, Armada E500
From the cloud, to the Web (Silverlight 2 / IE 8), and beyond. But, even though we knew about this, I don't know if we thought they were this far along. Microsoft is executing.
He concludes:
If you are a Microsoft developer you are probably very happy at Ray Ozzie's coming out party. Others on the fence may be interested. For those of us who worry about handing Microsoft control of the browser, plugins to other browsers, the cloud, the server model, and more…. I won't lie to you. I am cautiously observing. Silverlight adoption worries me.
We can't fight Microsoft with "don't choose them, remember what they did to you before?" Fear is lame. Instead, FRU 92P1121 ,this is a wake up call to Adobe, Google, Yahoo!, Amazon, IBM, Sun, [insert other developer / platform players] to get kicking.
We can't just be Open, we have to be better!
When it comes to being open, Microsoft will argue that Azure is open. 40Y6793, FRU 92P1125, FRU 92P1121
Windows Server 2008 and Visual Studio aren't open, of course, though having them in the cloud is a major attraction for companies that already use them. However, as Sam Ramji, the director of Microsoft's Open Source Software Lab, points out, developers "will also be able to choose from a range of open source development tools and technologies, and be able to access Azure services using a variety of common internet standards, including FRU 92P1125,HTTP, REST, WS* and Atom."
The Azure platform's goal is to support all developers and their choice of IDE, language EVO N400c, EVO N410c, EVO N600C, EVO N610C, EVO N620C, Presario 1200, Presario 1800, 116314-001, Presario 700, Presario 900, Presario 1700, Presario X1000, Armada E500
and technology. We are also providing programmable components that can be consumed by other applications, and Microsoft is funding and sponsoring open source software development kits to enable Java and Ruby developers to take advantage of Azure.
This is significant as this is the first time we are delivering cross-platform software development kits at40Y6793, FRU 92P1125, FRU 92P1121
the same time as Microsoft Developer Network software development kits.
One key thing for Microsoft is that it already hosts a vast amount of "cloud computing" through services such as Hotmail, Live Search, Live ID (formerly Passport), MSN, Spaces, SkyDrive, BizTalk, Windows Live, Presario 1800, 116314-001, Presario 700, Presario 900, Presario 1700, Presario X1000, Armada E500
Office Live,40Y6793, CRM and so on -- probably including Windows Update. Like Google, it is already big on the web. Microsoft has a huge incentive to make Azure work well in order to support its own 160 or so services. And if it can do that, it could offer Azure services to the rest of the world at marginal prices, which is essentially what Amazon does now.
Recall brings fresh worries over Sony laptop batteries
Recall brings fresh worries over Sony laptop batteries
Sony's reputation was dealt another blow yesterday when 830,000 laptop batteries it made for Toshiba were recalled. Compaq Laptop Battery
It brings the number of recalled Sony-made batteries to more than 7m worldwide.
Toshiba said the recall would affect its Dynabook, Qosimo, Satellite, Portege and Tecra models, but was not immediately able to specify which machines and regions were affected.
On the same day, Sony announced a global replacement programme for its lithium-ion batteries in response to consumer concerns. EVO N610C, It said it would announce at a later date the number of batteries to be recalled and computer makers involved. The Japanese electronics company Fujitsu was also expected to announce a recall of Sony batteries used in its range of personal computers.
The problem, which happens only in rare cases, occurs when microscopic metal particles inside the batteries come into contact with other parts of the battery, causing the computer to short-circuit. Most affected PCs simply overheat but there have been cases of them catching fire.
Toshiba said there were no reports of its computers catching fire and it had ordered the recall in response to a request from Sony, amid growing anxiety among users.Presario 1200, "We wanted to assure and satisfy our customers," said Toshiba spokesman Keisuke Omori.
Toshiba is one of several companies whose recall of laptop batteries has called Sony's reputation into question.EVO N620C, But there was relief for Sony when Dell said it would continue to buy the firm's laptop batteries.
Analysts said that Sony's future as a supplier appeared secure. "Over the longer term, Sony will remain one of the top-class battery suppliers, and it is unrealistic that PC makers halt procurement from Sony," Morgan Stanley analyst Masahiro Ono told Reuters.Presario 700, Yusuke Sakai, manager of equities trading at Mizuho Securities, said: "The saga goes on, but the recall programme itself has been partly factored into the share price."
On Thursday, Lenovo, the world's third-largest computer maker, had announced the recall of 526,000 rechargeable lithium-ion batteries that come with ThinkPad computers sold after February 2005.
Lenovo, a Chinese firm that took over the ThinkPad from IBM in May 2005, confirmed that one of the models had burst into flames Presario 1800, at Los Angeles international airport this month. The firm estimated that between 5% and 10% of machines were affected but it expected "minimal" impact from the recall, which is being paid for by Sony.
In Tokyo Sony shares fell by about 1% to 4,770 yen yesterday after it announced the global recall, despite a 0.15% rise in the benchmark Nikkei average. Sony shares have lost 8.8% since Dell announced its battery recall last month.
Is my laptop's battery going to be recalled?
Is my laptop's battery going to be recalled?
Perhaps, but only if your laptop comes from Dell, Lenovo, Toshiba,Compaq Laptop Battery, Fujitsu or Apple. Which covers almost all the main portable manufacturers except HP and, oddly, Sony, whose battery manufacturing plant in Japan made millions of lithium-ion batteries that have now been recognised as a potential fire hazard - so much so that a number of airlines refused to allow computers containing them on board, even in the hold.
Last week Lenovo, the Chinese manufacturer which recently took over IBM's personal computer division, told the owners of more than half a million Thinkpads built between February 2005 and September 2006 to check them to see if they were harbouring potentially dangerous batteries.
This week Toshiba added 500,000 more computers to its existing tally, and Fujitsu said an unconfirmed number of its own machines were affected. Armada M700, Dell added 100,000 to its recall. Two months after Dell kicked off the affair by calling in more than 4m batteries, more than 7m are now affected. All are captured under the umbrella of "Sony's global battery exchange program".
What began as a large but limited recall is now sweeping across the industry, and Sony is talking to the US Consumer Product Safety Commission about whether portable DVD players and gaming devices should also be included. However, EVO N600C,a commission spokeswoman told the FT that only 47 battery fires have been reported out of billions in service.
So why are HP and Sony not recalling batteries that must have been made at the same time as those which are being recalled, EVO N400c,and which one would expect might be at risk from the same manufacturing defect (of tiny metal shards in the battery electrolyte) as others?
HP said in a statement that "to date HP has received no reports of overheating causing a battery failure in Sony 2.4 or 2.6Ah [amp hour] cells used in some ... HP notebook PCs. Sony has communicated that HP should not be impacted by the Apple or Dell replacement programs. HP believes it will not be impacted by the latest Lenovo or Sony recalls."
And Sony itself? The VAIO division is still deciding whether to join its parent company's recall program. The company itself says that the latest additions are a line in the sand, EVO N410c, an end to the fiasco. Unfortunately, we've heard that before - after Dell, then Apple, then Toshiba.
Sony's reputation with millions of laptop owners is in tatters, as customers grapple with the logistics of sending back their potentially dangerous batteries, and the Japanese electronics giant tries the act of metaphorically - and in some cases literally - firefighting.
Dell urges computer users to check batteries after laptops catch fire
Dell urges computer users to check batteries after laptops catch fire
The world's largest computer Apple Laptop Battery,manufacturer has recalled millions of laptop batteries over fears that they could catch fire.
Dell has issued what is believed to be the consumer electronics industry's largest product recall after more than 4m batteries were identified as potential hazards. The announcement followed a series of complaints about computers overheating or exploding.
The company said it was possible that the devices - which are made by an arm of the Japanese electronics giant Sony - could create safety problems. "In rare cases, M6091,a short circuit could cause the battery to overheat, causing a risk of smoke and fire," said a Dell spokesman. "It happens in rare cases but we opted to take this broad action immediately."
Although the majority of affected machines were sold in the United States, it is believed that about 1.7m were bought outside the US. Dell would not say how many British customers may be affected.
The 4m batteries were included in laptops sold between April 2004 and July this year,A1012, including the Latitude, Inspiron, XPS and Precision models. They were also sold separately to some other customers. The batteries to be recalled will carry the name "Dell" on them, as well as the words "Made in Japan", "Made in China" or "Battery cell made in Japan, assembled in China" on the back.
Concerned customers have been urged to stop using their computer's battery and to visit the company's website for more information or phone a free helpline on 00800 3033 4044.
Stories of exploding Dell computers have been circulating online for some time, with one high-profile case featuring a video clip showing how a laptop burst into flames during a conference in Japan. After the video was seen by millions of people on the internet, other tales of suspicious overheating began to emerge.
One owner from Singapore told an Australian newspaper how his computer had caught fire after making "popping noises".
"It wasn't quite an explosion, but white smoke began to pour out of the machine, completely filling up the room, M8511,and there were flames coming up the sides of the laptop," the man, who requested anonymity, told the Age.
It continued to smoulder after being doused with water and plunged into a sink. "I'm now so paranoid that will it happen again that I don't use my laptop on flights any more," he said. "Just imagine if that had happened on an aircraft."
Despite speculation that the Japanese video had prompted action, Dell officials said yesterday that they had already been investigating concerns before the video brought the issue into the public eye.
Issues have been raised before over battery problems with Dell products and there have been several smaller battery recalls.M8244, Last month Apple issued a voluntary recall of some batteries from its newest laptops, and in February last year Microsoft was forced to recall millions of power cables for its Xbox games console after complaints of overheating.
But although the same model batteries are also used in products from other manufacturers, a Sony spokeswoman said there were no concerns. "This is an issue specifically down to Dell's battery-charging system," she told the Guardian.
FAQ: What to do
Which laptops are affected?
The recall covers 4m Dell laptops sold between April 2004 and July 2006. If you have an Inspiron, A1148, Latitude, Precision or XPS model bought during this period, you should examine the battery to see if it needs replacing.
How do I remove the battery?
Switch off the laptop and turn it over to access the back. A1079,The battery is in one corner and can be easily removed by pulling on the tab.
How do I know if it has to be returned?
Batteries that are being recalled will have "Dell" on them. They will also say: "Made in Japan", "Made in China" or "Battery cell made in Japan, assembled in China". Note the serial number on the white label and then visit www.dellbatteryprogram.com to check whether you need to return it. Or call the helpline: 00800 3033 4044.
Do I send the whole laptop back?
No, all Dell requires is the battery.
Can I use my computer until then?
You are advised not to use a faulty battery but you could plug in a different one if it does not need to be returned. Otherwise,A1078, only use it by plugging it in and using the adaptor.
2009年5月27日星期三
Best Ultralight Laptops
Best Ultralight Laptops,Acer Laptop Battery
Laptops are convenient, but they can get heavy lugging through the airport. For this reason, manufacturers are making laptops that are smaller, thinner, and lighter than ever before.TravelMate 290, With this decreased size however, you may find a few drawbacks such as smaller screens and shorter battery life. Also, these laptops often do not have crucial things such as optical drives, which take up space and increase the weight. But for those who value lightness and portability above all else,BTP-42C1, this can be a small price to pay for less back strain. The following are some of the best ultralight laptops on the market today.
Fujitsu Lifebook Q2010
One of the lightest and thinnest laptops, weighing 2.2 pounds, is the Fujitsu Lifebook Q2010. Reviews all state that this laptop has one of the best screens among ultralight laptops and feels like nothing to carry around. At a resolution of 1280 x 800, this widescreen is more than adequate for today?s computing needs. And thanks to its use of LED backlighting, BTP-44A3,the screen is plenty bright as well. Unfortunately, because of its small size, this computer does not contain an optical (CD/DVD) drive, as it is just too small. For this reason, you will need to invest in an external drive or a docking station for this function, which will inflate the price, not to mention the overall weight of your bag. Still, the Fujitsu Lifebook is one of the best ultralight laptops out there, simply because it works well at a fraction of the weight of a standard laptop.
Lenovo X60
Another great option is the Lenovo X60. At two and ? pounds,BTP-550P, this laptop sports an Intel Core 2 Duo processor, making it one of the fastest ultralights available. While the extra computing power is a definite advantage, this means that it also uses up battery power the quickest. Because of this, you?ll most likely want to upgrade to a larger battery. In addition, the keyboard on the X60 most closely resembles a normal keyboard, so it is easier to type on the Lenovo X60 than on other Ultralight laptops. BTP-42C1, BTP-44A3, BTP-550P, BTP-73E1, BATCL50L, TravelMate 290
This is also a pretty solidly constructed laptop, so it?s popular with travelers for this reason.
Asus U2E
At 2.8 lbs, the U2E is another laptop that qualifies as an ultralight. Like the Lifebook, this offering also has a nice wide screen for an ultralight,BTP-73E1 and its resolution is actually more conforming to a true widescreen aspect ratio at 1366 x 768. The screen is bright as well, as it uses LED backlighting like the Lifebook. In addition, the hard drive is a solid state disc (SSD), so you can bang it around a little bit (not that you would) and not have to worry about the drive platters clashing together and ruining all your data. Its power saving technology is also a nice feature, with four different operation modes depending on the application. And one bonus with the U2E is the leather trim that surrounds the keyboard, BATCL50L, adding richness to the overall experience. This is a really nice laptop for its size.
Edible Ink Printers laptop battery
Edible Ink Printers laptop battery
I can see the look on your face. Huh? Edible Ink? What the heck do you use that for? Acer Laptop Battery,I had the same thought when I’d first run across the phrase, but it turns out that there is an entire industry built around the art of printing something you can actually eat. The most common use for edible ink is to decorate cakes, and people far and wide are discovering that they can make their cakes into beautiful works of art with the ease of simply printing an image out from a computer.
Probably the best known company that makes these products is called Kopykake,TravelMate 290, BTP-58A1,TravelMate 4000, TravelMate 2300, Aspire 1680 Series, Aspire 1410, based out of Torrance, California. This company makes edible ink cartridges that will fit various makes and models of standard printers that you can buy at most any electronics store, or which you may already own. You can buy cartridges for many different types of Canon printers, and even more Epson models are supported. The company carries standard cartridges and also a “Diamond Series,” which are supposed to prevent clogging.
So that’s all well and good, but what do you print on? BTP-58A1, BTP-60A1, TravelMate 240 Series, BTP-52EW, BTP-63D1, Well naturally,BTP-60A1, the same company also makes edible frosting sheets. You simply load the sheets into your printer just like you would load any other type of paper, frosted side to the front, and you can print any kind of image you want on them with your edible ink. Just make sure you don’t get your ink mixed up! After printing the image, you are supposed to let the paper sit for 10 minutes at room temperature. After the ink has had a chance to set in, you can now peel the sheet from the backing and place it on top of a plain, freshly iced cake, preferably with buttercream frosting. You should gently pat the sheet down at this point, and it will absorb into the frosting, leaving the image intact.
The sheets come in various sizes and shapes, including squares, large circles, smaller circles, hearts,TravelMate 240 Series, and business card shapes to name a few. In each case, the backing is the size of a standard sheet of paper so as to facilitate easier printing in a normal printer. The sheets are even Kosher certified, as the company has earned a Letter of Kosher Certification from DigitalKosher.com.
There are other accessories available as well, including a print cartridge steamer, which is used to unclog your cartridges if they get blocked. aspire 3000, BTP-42C1, BTP-44A3, BTP-550P, BTP-73E1, BATCL50L, If you are using the edible inks all the time, this probably will not happen, but if you have a long gap between uses,BTP-52EW, the ink could dry in the printhead. In this case, it would be necessary to use the steamer to moisten the ink and clear the blockage.
So if you are ready to take your cakes to the next level, you might consider trying your hand at printing in edible inks. BTP-63D1, Your next cake is sure to “wow” everyone who sees it, and you’ll probably end up making cakes for everyone you know!
TravelMate 4500, LCBTP03003, Aspire 1300, BTP-APJ1, BTP-AQJ1, BTP-ARJ1,
Budget Laptop Computers: Top Picks
Budget Laptop Computers: Top Picks
Are you looking for a computer to perform basic tasks like surfing the Net and handling emails?Acer Laptop Battery, Do you have a tight budget in these hard economic times and are thinking twice about buying a new laptop computer? The first thing to do is avoid buying machines with all the bells and whistles that will burn a hole in your pocket. You could opt for budget laptop computers that could perform as well as the expensive models when it comes to basic computing tasks.
Here are some top picks for budget laptop computers.
Acer Aspire One AOA110-1295
Acer is becoming an established name in the notebook computer market offering laptops with impressive specs at attractive prices. If portability is your concern, Aspire One would certainly interest you. The screen size is about nine inches and it packs a processor speed of 1.6GHz and a RAM of 512MB.Aspire 1300, This is sufficient for Internet surfing, word processing and emailing.
Lenovo Thinkpad T30
Are you a student looking for a suitable laptop computer toAsus Laptop Battery complete your assignments and store research notes? Are you a business professional on the go, who needs a laptop computer for Powerpoint presentations and taking notes during meetings?
Thinkpad T30 would fit your requirements. It comes with a screen size of 14.1 inches. It’s also a durable unit with its titanium composite cover that could tolerate quite a few knocks especially when you’re on the go. RAM at 512MB would be sufficient for college or office related computing tasks. The hard disk space of 40GB would also be sufficient for your data storage needs if you’re not into downloading music or movies.
HP 2133 Mini Notebook Computer
If processor type is not an issue, you would want to consider HP 2133.A42-A3 It comes with a VIA C7M processor at a speed of 1 GHz. Thrown in is a Linux operating system and the unit supports Wi-Fi and Bluetooth. Hard disk space is also impressive at 129GB. With 1GB of RAM you’ll have enough power to go a little beyond basic computing tasks.
Mobility will not be an issue as it weighs only 1.3 kg. Screen size is at 8.9 inches sporting WXGA display, a norm for computers of its type. BTP-43D1,You would also like to know that the screen is scratch resistant.
Dell Vostro 1000 Notebook
If you would like to use a notebook computer on the go, you would be particular about its weight. But if you’re buying a laptop to save desk space, then you would not mind considering Dell Vostro 1000.
The issue with Vostro 1000 is its weight. At close to six and a half pounds, you would find it quite a chore to lug it around. But then it makes up for this shortfall with a display size of 15.4 inches and a 80GB hard disk drive. Also,TravelMate 220, with a processor speed of 1.8GHz and 512MB RAM there’ll be no room for complaints if you’ll be leaving the computer on your table most of the time.
Dell Inspiron 1525 Review
Dell Inspiron 1525 Review
In early 2008, Dell released the Inspiron 1525, a smaller and sleeker successor to the 1520. The company must have listened to the criticism it received for the Inspiron 1520 being what was considered a relatively large and bulky device, because the 1525 ended up being thinner,dell laptop battery
lighter, and had less surface area than its predecessor. This model is not currently available any more from Dell, but it remains a good option on the secondary market, as its speed and capacity levels have not yet become outdated.
Although Dell’s models are customizable with many different options presented during the ordering process, a typical configuration of this laptop includes a 2.0GHz Core 2 Duo T7250 processor, 2 GB RAM, 120 GB Hard Drive, Dell Wireless 802.11g mini wireless access card, Dell wireless integrated mobile broadband mini card that supports Verizon and Sprint service. Inspiron 6000,With these options, the price came in at around $1000, with various instant savings options available to push the price well below this level.
With a 15.4 inch WXGA glossy display, this laptop has a screen that compares well with other models of this class. Its 1280 x 800 pixel resolution (also available in 1440 x 900) officially makes it a wide screen display, which is currently en vogue among laptops. Although this resolution is average for notebook computers, Inspiron 9300, only the serious gamer or professional photographer will yearn for more; it’s just fine for 95% of the computer users out there.
The 2 GHz Core 2 Duo processor is more than enough horsepower for the mere mortal, and even some professionals such as computer programmers will find the processor speed more than adequate for daily tasks. The standard 2 gigabytes of RAM is a bit anemic for a programmer or gamer however, so an advanced user will want to spend the extra money to upgrade to 3 or 4 gigs. For everyone else, however, 2 GB should be plenty. Likewise with the 120 GB hard drive which should be more than enough, Inspiron 8200,especially on a laptop.
A nice touch is the built-in mobile broadband card, which supports Sprint or Verizon service. These days it’s starting to become more and more common to have a device like this that comes standard in a notebook as this method of connecting to the internet increases in popularity.Inspiron 9400, But in early 2008 to have a WAN adapter in a sub-1000 dollar laptop was sort of a luxury. As for the included standard wireless LAN adapter, 802.11g is still adequate for today’s needs, as 802.11n is not yet in widespread use, but users will want to upgrade down the road once this standard is built out more.
Overall, this is a more than adequate laptop even today, especially given that it’s no longer available straight from the manufacturer.Latitude CPi, If one can find this machine in the secondary market, it can be an excellent buy, since even back when it was selling new for around $1000 it was a good value for the money.
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