2009年7月18日星期六

dell Latitude D510 battery

battery

MSI Wind 9-Cell Battery Pictures, We Wait With Open Arms


A few things set the netbooks of today apart from one another and laptop battery life is one of them.dell laptop battery, Most netbooks from the likes of Lenovo, Acer and Dell come standard with 3-cell or 4-cell batteries that only provide 3 hours of battery life max, usually far less than that.


Six-cell batteries, offered only by ASUS, MSI and Acer at this point, have been the perfect solution since they can offer up to six hours of juice. That is until now. According to EeePCNews.de, MSI is working on a 9-cell battery.Latitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610, Pictures sent to the German blog by a battery manufacturer indicate that a 9-cell Wind dell XPS M140 is in the works. Those extra cells could offer up to 9 or 10 hours of run time on the popular netbook. We will be here waiting patiently for a release date and price.


More pictures of the extended dell Inspiron E1505 ,Latitude D510, dell Inspiron E1705 are below.


MSI wind to ship later and smaller battery


So you read our review of the stellar MSI Wind and you know it’s one of the best, if not the best, mini-notebook out there. Now all you are waiting for is a place to buy it. Unfortunately, it seems that first shipments of the Wind have been delayed until June 27.


On June 27, the MSI Wind will be available from a slew of online retailers, including Amazon.com, Newegg.com, MWave.com,Latitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610, Buy.com, and Zipzoom.com. However, Due to a laptop battery shortage out of South Korea, the first batch of Winds will blow out with a 3-cell rather than a 6-cell battery for the reduced price of $479.99. Our review unit was bundled with a 6-cell battery and had an MSRP of $499.99.


No word yet on when the 6-cell version of the Wind will be available and whether it will still cost only $499.Latitude D520, Will you wait for the larger Toshiba PA3594U-1BRS ?Toshiba PA3479U-1BRS, Toshiba PA3480U-1BRS, Toshiba PA3534U-1BRS, Toshiba PA3535U-1BRS, Toshiba PA3536U-1BRS, Toshiba PA3537U-1BRS, Toshiba PA3591U-1BRS more...


After becoming the dominant rechargeable chemistry in cell phones, PDAs and a host of other mobile applications, Li-ion batteries are just starting to prove their metal in high-power portable applications such as power tools. Just as in the lower-power applications, high-power Li-ion cells offer higher energy density than the NiCd and NiMH cells they replace. Recently developed Li-ion cells offer two to three times the gravimetric energy density of the nickel-based chemistries — an advantage that can be exploited either to build lighter battery packs or to extend battery run times.


One equipment manufacturer, Milwaukee Electric Tool, collaborated with an established dell laptop battery manufacturer to develop a 28-V Li-ion battery pack that offers greater power and up to twice the run time of conventional 18-V NiCd models. Despite its higher performance, the 28-V pack weighs slightly less than the 18-V pack. As a result, the company is able to create some of the first cordless versions of professional-grade power tools .Latitude D600,One example is a cordless bandsaw that is described as “powerful enough for everyday use.”


Along with offering greater power and run time, Li-ion cells offer better performance at temperature extremes.Latitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610, This advantage includes greater cycle life than NiCd iron 6000 battery under extreme conditions.


The impact of Li-ion inspiron 9300 battery on power equipment is so substantial, vendors are using the technology to market their new products. For example, Milwaukee Electric refers to its battery pack as the V28 Lithium-Ion cordless technology and its end products as the V28 line of tools. Cells based on the V28 technology employ manganese-oxide cathodes rather than the cobalt-oxide cathodes commonly used in low-power applications. To create a 28-V pack requires seven of these 4-V, 3-Ah Li-ion cells.


To serve the power tool applications, Li-ion inspiron 6400 battery have been modified to operate at high discharge rates. So, while the standard Li-ion batteries specify their capacity at a 1C (or even lower) discharge rate,Latitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610, high-power Li-ion batteries typically specify performance at a 10C or higher rate.


Low-power and high-power Li-ion inspiron e1505 battery differ with respect to rated capacity and the variation in capacity as a function of discharge rate. In general,Latitude D610, the cells developed for high discharge rates sacrifice some of the energy density achievable at lower discharge rates to obtain lower impedance in the cell. For example, in the 18650 cylindrical format, Sanyo now offers a high-power cell with 1500-mAh capacity at 10C, while one of its low-power cells currently offers 2600 mAh at a 0.2C rate in the same package.[1]


Typically, conventional Li-ion cells have limited ability to deliver high power(dell kd476 ). In contrast, the high-power Li-ion cells offer nearly the same capacity at high and low discharge rates.


Latest Offerings

Sanyo continues to develop cells with a high discharge rate/higher power capability. A recent example is Sanyo’s UR18650W, a latitude d820 battery that specifies a typical capacity of 1600 mAh and a minimum capacity of 1500 mAh. The cell achieves this minimum capacity at a 10C (15-A) discharge rate .The cell is constructed with a manganese-oxide cathode to improve safety over what would be obtained with the cobalt-oxide cathode typically used in standard Li-ion cells.


Despite its safer cathode, a combination of risk factors such as the possibility of overcharge and an internal short made it necessary to incorporate overcharge protection into the UR18650W. Latitude D505, Latitude D510, Latitude D520, Latitude D600, Latitude D610,This circuitry protects against voltage imbalance during normal cell use and abnormal charging conditions.Inspiron 1100, The latter can occur when the latitude d520 battery encounters a broken charger or the wrong charger, or when a battery is charged manually.


The UR18650W follows two power cells previously developed by Sanyo. The UR18650H/V offer 2000 mAh of capacity, but at a lower discharge rate (5C).


 

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