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Subject: Re: question about running the battery on my player down

Re: question about running the battery on my player down

From: Bertrik Sikken <bertrik_at_sikken.nl>
Date: Mon, 14 Apr 2008 21:05:45 +0200

asettico wrote:
> *In data 11/04/2008 01:24, Paul Louden ha scritto*:
>> With lithium based batteries it's perfectly acceptable (and according
>> to some sources even preferred) to make smaller charges, rather than
>> running it down and charging it completely. Why do you want to run it
>> all the way down? Intentionally running it down is a good way to
>> simply wear out your battery.
>
> And what's about leaving the DAP in charge with an USB cable even when
> fully charged? Sometimes I plug my DAP to the notebook in the night and
> leave it until the morning, and surely I don't set the alarm clock to
> unplug it! ;-)
>
> Since a couple of weeks I can't see 100% charge even after a long
> charging period. The battery is not so old, it's about 10 months old... :-(

As far as I've read, both completely running down a LiIon battery and
storing it completely charged is bad for the battery life time,
see for example:
http://www.batteryuniversity.com/parttwo-34.htm

Kind regards,
Bertrik
Received on 2008-04-14


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