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Old 12-01-2008, 12:45 AM   #11
Wetdogeared
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Posts: 5,780
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Join Date: Nov 2008
Location: Polar Vortex
Device: S0ny PRS-300/350/505/700/T1
Quote:
Originally Posted by ProDigit View Post
I've written a few articles on this on other forums.
I written Duracell and they have confirmed that Li-Ion best always remains charged.
Completely emptying them could cause them to get into a state where part or even the whole of the battery never can be charged again.
A Li-Ion battery always need a remaining voltage, and the less you charge it, the less it wears out.
This resembles my experience of the past 5 years I've been using Li-Ion batteries in my cellphones.

They also recommend to at least charge a non-used battery once every 2 to 3 months (depending on the drain of the battery).
Modern batteries may only need recharging every 6 to 9 months when not used.
So what would you suggest, ProDigit, for recharging the PRS700. What would you suggest I do at the end of each night using the following senarios:

If charge is at: 3/4 - charge overnight to be ready for tomorrow
charge is at 1/2 - charge overnight...
charge is at 1/4 - charge overnight...

..or any other scenario you can think of. I intend to use my PRS700 on a regular basis.

Can you harm the battery by leaving it charging all night when it only needs to charge for a max of 2 hours?
Thanks in advance for your advice
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