[ltp] Battery draining ove 16W cause battery death in 1 or 2 month

Michael Gaber linux-thinkpad@linux-thinkpad.org
Sat, 11 Jul 2009 15:58:16 +0200


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Am 11.07.2009 15:38, schrieb Ted Frater:
> wbonx wrote:
>> HI,
>> I'm using an X41T since 2 years, one year with windows and one using
>> Ubuntu.
>> When I was using windows the life of the extended battery was of about=

>> 5/6 hours (without wireless), after some time I have installed linux,
>> one month of usage under linux and the system advices me of the
>> degraded battery condition. So under windows the battery was reduced
>> to 2 and a half hous and under linux 1 and an half (at the start it
>> was 3 hours).
>>
>> So I bought a new battery, the normal (small not extended), at the
>> start under windows the life was about 2.45h and under linux 1.15h.
>> After one month of usage only under linux the life was degraded, under=

>> windws 1.15h and under linux 40minutes.
>>
>> I tried to use the TP_smapi modules on the new battery to prevent
>> damages to battery customizing the charge, but no way, now is almost
>> unusable.

i made the experience that using tp_smapi with start_charge_thresh =3D 30=
=20
and stop_charge_thresh =3D 70 kept my battery REALLY well


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