old battery?

Eberhard Roloff tuxebi at gmx.de
Mon Jan 22 09:47:14 UTC 2007

Derek Broughton wrote:

> Paul Kaplan wrote:
>> As I suspected...
>> design capacity:       47520 mWh
>> last full capacity:      14910 mWh
>> Will cycling the battery from full to discharge 2-3 times restore the
>> ability
>> to charge to design capacity?  Is there anything else I might try or am i
>> destined for a replacement?
> Don't even think of doing that.  My LIon battery was in much the state
> yours
> is in December.  Then it accidentally fully discharged (I put my laptop in
> its bag before making sure it had successfully hibernated).  It went from
> a
> 45 minute charge to a 15 minute charge.  LIon batteries should NEVER be
> allowed to go completely flat.
My experience is slightly different.;-) 

Using a Thinkpad, I usually follow the procedures outlined here:


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