Lithium Ion
Lithium Ion
What is the best and worst ways to care for lithium ion batteries?
Hi - just got a new Lithium Ion 18v drill. I remember that the only complaints against it were people killing the batteries by accident. But I've read the instructions cover to cover, and there isn't any real pointers on how to care for the batteries. Do you have any tips or opinions? I'd like to know what to do and what to avoid. Thanks.
Keep them well charged, but without substantial heating.
NEVER run them flat. The problem there is, being a battery comprised of series cells, some may exhaust before others. If you continue trying to use them, the flat cell(s) will have a reverse voltage applied to them. They don't like it.
Li-ion cells don't suffer from the "memory" problems that Ni-cad cells did, so to recharging them after only short useage doesn't worry them.
The charger supplied by the drill manufacturer will have instructions, follow them. The supplied charger may self- adjust to suit the battery, anyway.
Oh, and remember that charging it now won't mean it will be ready to go in 2 months' time. These cells don't hold charge for long periods.
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Millions of Lithium-ion Laptop Batteries Was Discovered That They Could Overheat and Ignite
Millions of lithium-ion laptop batteries made by Sony for Apple, Dell Inc., Lenovo Inc. and other PC makers were recalled in 2006 and 2007 after it was discovered that they could overheat and ignite.
Apple did not immediately return a call seeking the name of the company that made the iPod batteries in question. Yoshitsune declined to name the supplier.
The company's written statement came in response to a Japanese government report that two iPod Nanos overheated in Tokyo, scorching nearby paper and a woven straw mat.
Apple said the flaw affected first-generation Nanos, sold between September 2005 and December 2006, in very rare instances. The company's statement added that "There have been no reports of serious injuries or property damage, and no reports of incidents for any other iPod Nano model."
Japan's government has been working with Apple to investigate three separate cases of iPods that overheated while being recharged, according to Ministry of Economy, Trade and Industry official Hiroyuki Yoshitsune. A defect in the lithium-ion battery was suspected in all three cases.
No one was injured during the two Tokyo incidents disclosed Tuesday. Yoshitsune said the cases involved an iPod Nano, model number MA099, which singed nearby paper in August, and model MA005, which burned a traditional Japanese tatami mat in January. Both music players were twisted out of shape from the heat and became unusable, he said.
The latest problem follows a similar report from the Japanese ministry in March about sparks shooting out of an iPod Nano.
Apple's iPod players are extremely popular in Japan and coveted as fashion items, even though Japanese manufacturers produce a host of iPod rivals.
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Lithium Ion
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