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2009年6月25日星期四

online sharing of laptop battery content

Much like Napster did with music, online sharing of HD video content is whittling away at Blu-ray sales

Laptop Batteries News Add commentsMuch like Napster,dell laptop battery, did with music, online sharing of HD video content is whittling away at Blu-ray sales. Illegal downloads of movies, television shows and other video content are out there,Acer TravelMate 3240 battery you just have to know where to look, and not worry about copyright infringement.


Aside from those features, the Eee PC 1005HA looks almost exactly like the 1008HA. Both netbooks feature a glossy display as well as a glossy lid and palm rest area which look nice at first,Latitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610, but which attract fingerprints like nobody’s business.


The LPC-625F is optimised for military computing, rugged operations and other mission critical solutions. It is basically meant for system integrators who crave a strong, durable and fanless computer. That’s right, the LPC-625F doesn’t need a fan, nor will need something like the CoolerMaster NotePal P1 laptop Sony VGP-BPS2A battery cooling fan either,Latitude D505, as the Stealth mini PC can cool itself without making an noise or overheating.


The LPC-625F is an ideal product for demanding applications used within various verticals such as Industrial, Commercial, Scientific Research, Military, Public Safety, Utility, Transportation, mining and Telecommunications markets. It assures unsurpassed performance, reliability and top notch durability every time you are set for work.


Spooky. Panasonic has built a laptop Dell 1691P that was starting to look more like Grigori Rasputin than James Bond. It took cyanide,Latitude D510,a stabbing, a beating and four bullets before the Russian mystic was finally drowned in the icy River Neva. Anyone got some holy water?


The batteries use Sonata cells from Boston Power Inc., a start-up battery maker that has developed a lithium-ion battery that can last for 1,000 charging cycles without degrading. That’s about two to three times more than a typical lithium-ion Acer TravelMate 260 battery. In addition, the Sonata batteries will charge to 80% of their capacity in 30 minutes, which is faster than most other lithium-ion batteries.


Maybe you want to watch a movie in glorious 720p on the notebook Acer Aspire One battery ’s expansive screen. Or perhaps you’ll find yourself charmed by Vista’s Aero environment–all of that eye candy gets a big boost from a graphics processor.


In general, laptops don’t really like extremely hot conditions as it makes the internal fan work overtime to try and cool the components

Laptop Batteries News Add commentsThe Kohjinsha SK3 sells for about $730 in JapanLatitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610,,Latitude D520, which may sound like a lot, but by Japanese standards it’s actually not bad. But there is a catch. The computer ships with a 17Whr Acer TravelMate 2300 battery which Kohjinsha claims is good for 3.2 hours. Of course, laptop batteries almost never live up to the manufacturer’s battery life estimates, so you’ll probably be lucky to get 2.5 hours of run time out of the battery.


The higher-end models include the 13-inch U505, 14-inch M505, 16-inch M505, and the 18-inch P505.All of the models in the U, M, A, and P series include an edge-to-edge LED-backlit display, a backlit keyboard, a touch pad with multi-touch control, a slot-loading DVD drive, an HDMI-out port, a built-in webcam w/face recognition, and up to 500 GB of hard-drive-based storage. An ATI Mobility Radeon HD 4000 discrete graphics chip is also included, and the new notebooks support Sony PCGA-BP71 batteries up to 12 cells. The smaller models include 3G wireless support and up to 4GB of memory, while the P505 supports 6GB of RAM.


In general, laptops don’t really like extremely hot conditions as it makes the internal fan work overtime to try and cool the components,Latitude D600, which obviously has an effect on the Sony VGP-BPS5 battery life. Hot conditions are also terrible for the battery itself as it can really degrade the battery rapidly.


We found, however, that Panasonic’s Toughbook performed as promised. Fair enough. So we came up with some tests that were decidedly unfair.


We used the Panasonic Toughbook Sony VGP-BPS2A battery to serve Doritos. Then we crushed the chips to dust between the keyboard and the screen, the same screen we used as a dartboard. The darts poked holes in the screen’s protective coating, but the display underneath remained undamaged. Not a single dead pixel.


“High-density,Latitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610, scalable energy storage technologies are emerging as the greatest game-changer for this new era of renewable energy Acer TravelMate 2200 battery sources and smarter grids,” said Sharon Nunes, vice president of IBM’s Big Green Innovations organization, in a statement.Latitude D610, “Today, the vast majority of the world’s oil is burned for transportation. Energy sources such as wind and solar power fluctuate continuously. We believe the solution may lie in the development of an efficient, affordable energy storage network.”

try to steer toward a laptop that offers resolutions capable of widescreen 720p video

If video is your thing, try to steer toward a laptop that offers resolutions capable of widescreen 720p video

Laptop Batteries News Add commentsWithout a doubt, this netbook’s best feature is its battery. First,dell laptop battery, unlike the Asus Eee PC 1008HA, the 1005HA battery is removable. That means you can purchase a spare and swap batteries if you need to. Or if your battery dies you can replace it without sending the netbook back to Asus for expensive surgery.


Dell(Dell Latitude D620 battery) has imparted the slim form factor in its 14 inch rugged laptop, the Latitude E64 XFR. The new version of the Latitude E64 XFR is much more portable, lighter and manageable without loosing its prime attraction, i.e. the super strength and high speed processing at the core. The E64 XFR now features everything that the pro mobile workers demand. If you crave for better performance,Inspiron 700m, Inspiron 710m, F5136, 312-0306, discrete graphics and unsurpassed durability then the upgraded E64 XFR is not meant to be missed.


As a result, the CF-30 is the product of a business model that’s the opposite of that behind today’s wave of cheap, disposable netbook computers.While the $300 machines you’ll find for sale at Best Buy are available in a wide array of colors and styles, they all come from the same place: low-cost contract manufacturers.


The computer maker plans to call the batteries “Enviro,”Inspiron 700m, which highlights their “green” credentials. Longer-lasting Sony VGP-BPS2 batteries mean that fewer or no replacements need to be bought, so waste is reduced, and they could even help extend the useful life of old machines. The batteries themselves also contain no polyvinyl chloride and have earned the Nordic Ecolabel certification.


If video is your thing, try to steer toward a laptop that offers resolutions capable of widescreen 720p video. (Hint: If the screen has a resolution above 1280 by 720, it could technically give you a 720p picture, so long as the laptop Acer TravelMate 3270 battery has the horsepower. For example, the Samsung R610, which has a 1366-by-768-pixel resolution, can handle the job.) Most notebook screens should be able to do that now,Inspiron 710m, but you also need to consider whether the laptop’s graphics processor is capable of producing the optimum picture (see above).


The E64 XFR has got a heavy duty armor to offer to tough guys who need to work under extreme climatic conditions and harsh surroundings. It meets 13 military specifications which not only include normal dust and debris but also includes sea fog, thermal shock, drop tests, extreme temperatures and explosive environments. The laptop Dell 1691P comes with a Ballistic Armor Protection System which is made from Dell’s exclusive material known as PR481.Inspiron 700m, Inspiron 710m, F5136, 312-0306, The PR481 is much stronger than a magnesium alloy and thus it offers successful drops from great heights.


So not only does the E64 comes with better specifications than other laptops like the Dell Latitude E5500, F5136, but it is also virtually indestructable with its armored exterior. The E64 XFR never leaves anybody disappointed. It packs a Core 2 Duo processor, ample amount of memory and an NVIDIA Quadro NVS 160M 256MB DDR2 graphics card. Apart from this the machine boasts of a touchscreen, a solid-state drive, mobile broadband, GPS, long Dell Latitude E6400 battery life and various connectivity ports.


You can make your choice of Windows along with the Microsoft Windows Vista-Business and also with Windows XP Pro-Recovery Media, also includes Bluetooth technology and also built-in wireless networking. The Toshiba(Toshiba PA3399U-1BRS battery) Tecra A10-156 (PTSB1E-022005EN) has got “2.4GHz CPU Intel Core 2 Duo processor” so that your works are done very fast and also you can enjoy the advantage of “Intel GMA Series Video Chipset” as well. The display of the laptop is about 15.4 inches and a 1280 x 800 s WXGA screen resolution. You can upgrade the RAM with 2,Inspiron 700m, Inspiron 710m, F5136, 312-0306, 3 or 4GB. The key board in this laptop is split resistant.


Most all-purpose machines offer three or four USB ports, an SD/Memory Stick flash card reader, a Webcam, headphone jacks,312-0306, VGA ports, and ethernet jacks. And without exception, such notebooks Sony VGP-BPS2A battery also have at least 802.11g wireless (802.11n should be ubiquitous within the next few months).


This 17-inch model retains the dimensions of its short-lived predecessor, measuring 15.5 inches wide, 10.5 inches deep, and just under an inch thick; it weighs 6.6 pounds. Unlike its 15-inch siblings, which now have an SD Card slot, it keeps the popular-with-pros ExpressCard/34 slot, making it the only Mac laptop Acer Aspire One battery with such expandability.


2009年6月6日星期六

New Batteries Readied for GM's Electric Vehicle

New Batteries Readied for GM's Electric Vehicle

This week, General Motors (GM) announced its selection of battery makers to develop and test battery packs for use in its proposed electric vehicles. The selected battery makers, Compact Power, based in Troy, MI, and Continental Automotive Systems, dell laptop battery,based in Germany, say that they've overcome the performance and cost limitations that have been an obstacle to electric vehicles in the past.


Over the next 12 months, researchers from, Compact Power, Continental Automotive Systems and GM will be testing the battery-pack designs in the lab and in vehicles to confirm that the packs can work for the life of the car--at least 10 years, says Denise Gray, director of hybrid energy storage devices at GM. Initial tests of individual battery cells, along with projections about the performance of battery packs that can contain hundreds of these cells, have Gray optimistic that her company will have proven packs by June 2008.


If the packs perform well, they are slated for use in the proposed Chevrolet Volt, 6Y270, an electric concept car announced by GM in January. The Volt marks a change in emphasis for GM, which previously focused on more distant plans to bring hydrogen-fuel-cell-powered cars to market. The Volt could be ready within a few years. Until now, however, it has been unclear who would develop its advanced batteries.


There are a number of design variations for the Volt, but they will all be propelled by electric motors. In one version, the battery pack, which can be recharged by plugging it in, will provide 40 miles of range. Then an onboard gasoline- or ethanol-powered generator will kick in to recharge the battery,1X793, providing an additional 600 miles of range. A proposed hydrogen-fuel-cell version would have a smaller battery pack and no onboard generator.


To make batteries that are up to GM's specifications, battery makers have had to redesign the chemistry of lithium-ion batteries, a type of battery widely used in mobile phones and laptops. While lithium-ion batteries are light and compact, the type of lithium-ion battery typically used in electronic devices relies heavily on cobalt, an expensive metal. The cobalt oxide used in one of the battery's electrodes isn't thermally stable, making the batteries prone to bursting into flame if damaged or poorly manufactured--a shortcoming that led to the massive recall of millions of laptop computer batteries last year. (See "Safer Lithium-Ion Batteries.") This could be a problem in vehicle battery packs, which would be much larger than those in portable electronics,C1295

so an accident could be more dangerous.


One alternative is to replace cobalt with manganese. Mohamed Alamgir, director of research at Compact Power, says that manganese-oxide electrodes are significantly more thermally stable than cobalt oxide, and less expensive. The battery maker has also developed a new material for keeping the electrodes separate: the material remains stable at higher temperatures than conventional materials, further guarding against the runaway heating that causes batteries to catch fire. What's more, the company makes the batteries in a flat shape rather than in the typical cylindrical design. Alamgir says this flat shape prevents heat from building up at the center of the cell,Inspiron 1100, making it easier to keep the battery at an even, cool temperature.

A123 Systems, a company based in Watertown, MA, that will supply battery cells to Continental, has taken a different tack, turning to an iron-based cathode that is even more thermally stable than manganese oxide. Better still, iron is cheap and abundant. (See "More Powerful Hybrid Batteries.") The electrodes are not oxide materials but phosphates, a chemistry that more closely binds oxygen, preventing it from being freed from the material, which would allow the battery's flammable electrolyte to catch fire. Such materials do not allow for fast charging or delivery of big bursts of power, so researchers modified them, in part by doping the material and by forming the material as nanoparticles. The A123 batteries were developed for use in power tools but have since been modified to store more energy, making them better suited for use in electric vehicles such as the Volt.


The battery packs for the Volt must include complex electronics for ensuring that each cell is charged and discharged properly.Inspiron 5100, If individual cells are overcharged, for example, the pack can fail. Unlike measuring the gas in a tank, it can be tricky to monitor the exact amount of charge in a cell. So battery makers often include more cells to provide a margin of safety, as a hedge against both running out of power and overcharging the batteries. The pack makers are developing better electronic equipment and algorithms for measuring charge, which could allow them to use closer to the bare-minimum number of cells.


Even as the new battery packs are being tested, GM is developing the rest of the vehicle, especially making sure that it meets targets for weight. Ultimately, Gray says, there could be tradeoffs between vehicle weight and battery size, depending on how the tests go. There's even a chance that expectations for the battery pack's lifetime could be lowered if necessary, although she emphasizes that the goal now is to have battery packs with 10-year lifetimes.


In June 2008, after analyzing the data from a year of testing, 6T473

GM will evaluate if the technology is where it needs to be and pick a production supplier, Gray says.