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The advantages are:
* The battery is much lighter than other rechargeable batteries of equal [url=http://www.1855sacramento.com/peuterey.php]giubbotti peuterey[/url] size. The composition [url=http://www.msc-sahc.org/moncler.asp]moncler pas cher[/url] makes it capable of packing far more power into a smaller. The closest competitor is [url=http://www.rivaluta.it/hot/hogan.asp]hogan outlet[/url] the nickel-metal hydride (NiMH) battery which generates only about half the corresponding power. For the Li-ion battery, the power output is 150 watt hours per kilogram. For the NiMH battery the ratio is 60 to 100 watt hours per kilogram (100 is often listed, but not typical) for the same weight.1
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* It is not necessary to completely discharge a Li-ion battery before recharging it. Complete discharge will kill the Li-ion battery as mentioned previously. The disadvantages of the Li-ion battery are:
* The Li-ion battery starts to die as soon as it is shipped. Even if it is never pulled from its package and used, the -Li-ion battery has a total maximum life expectancy of three years at this point. Once it is packed and shipped, the Li-ion battery works toward its own end. This is true whether it is idle, in full use, or in cyclical demand.
* Heat [url=http://www.vivid-host.com/barbour.htm]www.vivid-host.com/barbour.htm[/url] decreases the life expectancy. The higher the temperature, the faster the battery loses its charge.
* Complete discharge will kill a Li-ion battery. Other batteries can be charged and discharged completely without causing a problem, but complete discharge will destroy the Li-ion battery completely.
* They are expensive. The Li-ion battery pack requires an on-board computer to work properly. This fact makes them very expensive indeed.
* [url=http://www.rtnagel.com/airjordan.php]nike air jordan pas cher[/url] The Li-ion battery pack carries a small risk of fire in the event of failure.
References: 1. Martin [url=http://www.rtnagel.com/louboutin.php]louboutin[/url] Brain. How Lithium-Ion Batteries Work. [url=http://www.achbanker.com/home.php]hollister france[/url] Retrieved August 16, 2009 from
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