On Oct 30, 2005, at 11:49 AM, Brian Mahoney wrote:
Interesting suggestion. What is the source of your information?
BM
Interesting factiod you mean? LiIon batteries have been around for a
while, this has come up once or twice on any forum I've viewed,
especially camera and PDA forums I guess.
http://www.batteryuniversity.com/parttwo-34.htm
is one good spot; the wikipedia entry for LiIon is pretty good.
Googling finds others.
Basically:
LiIon batteries lose capacity over time whether you use them or not;
storage condition makes a difference. 50% charged and cool helps a
lot for storing, so if you have a spare battery that you don't use
much that is a good thing to try for.
for the battery you are using, it's best to keep it topped up rather
than letting them go totally down.
HEAT IS BAD for all batteries, but it has a marked effect on LiIon.
It's a good thing to keep them cool at all times you can manage. So
take that iPod out of it's protective case when charging, don't
charge your laptop when it's on the sofa, put it on the wood table, etc.
Replies I got from makers of replacement LiIoon batteries when I was
buying spares indicated 50% loss of max capacity after 2-3 years
wether they are used or not; so stocking up on many spares was not
recommended, even by the guys who made the batteries I was buying
(www.laptopsforless.com, battery for my Sony Clie UX-50 -I highly
recommend these guys for batteries for many devices).
HTH.
Brian
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