[ltp] Re: [ltp] Re: [ltp] battery won’t load

[Chris Penn]

The battery in my t61p has also starting acting up.  It does not
charge, and the machine has to run on AC power.

On Sat, Oct 3, 2009 at 2:23 PM,  <bhaskins@chartermi.net> wrote:
>
> ---- Arno Trautmann <Arno.Trautmann@gmx.de> wrote:
>> jnjb wrote:
>> > Arno Trautmann a écrit :
>> >> Hi,
>> >>
>> >> I have a X61s, now about 2 years old. Used it a lot, carried it aroun=
d
>> >> nearly every second day. Never had any problems with the battery.
>> >>
>> >> Now I get:
>> >>
>> >> [arno@tiger]$ cat /proc/acpi/battery/BAT0/info
>> >> present:                 yes
>> >> design capacity:         74880 mWh      <=
>> >> last full capacity:      52420 mWh      <=
>> >> battery technology:      rechargeable
>> >> design voltage:          14400 mV
>> >> design capacity warning: 2621 mWh
>> >> design capacity low:     200 mWh
>> >> capacity granularity 1:  1 mWh
>> >> capacity granularity 2:  1 mWh
>> >> model number:            93P5030
>> >> serial number:            6195
>> >> battery type:            LION
>> >> OEM info:                SONY
>> >>
>> >> Ok, maybe the battery is bad now and will hold only 52Wh. But actuall=
y,
>> >> it does not:
>> >>
>> >> [arno@tiger]$ cat /proc/acpi/battery/BAT0/state
>> >> present:                 yes
>> >> capacity state:          ok
>> >> charging state:          charged
>> >> present rate:            0 mW
>> >> remaining capacity:      1800 mWh       <=
>> >> present voltage:         16195 mV
>> >>
>> >> The machine is plugged in, but the remaining capacity stays at 1800 m=
Wh.
>> >> This happened just a few days ago, since then the remaining capacity
>> >> changed from like 1650 mWh to 1800 mWh.
>> >>
>> >> So my question: what can I do? Is the battery useless? Can I recover =
it
>> >> anyhow? Could this be a software issue or is it hardware?
>> >>
>> >> cheers
>> >> Arno
>> >>
>> >
>> > Its a bit strange this problem at first look you battery is near of
>> > death, and the voltage is hight you can perhaps check check the cable
>> > and the device who work whith sorry i dont know how this name on engli=
sh
>>
>> It's plugged in, so the voltage is not from the battery, but from the
>> power supply.
>>
>> cheers
>> Arno
>>
> Will it do anything if not plugged in?
> Most TP battieries are three sets ( in series ) of a pair of cells stappe=
d together.
> If one cells shorts it blows an internal fuse in it's brother and the bat=
tery is completely
> open.
> --
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>



-- 
"As we open our newspapers or watch our television screens, we seem to
be continually assaulted by the fruits of Mankind's stupidity."
 -Roger Penrose