[ltp] Re: [ltp] battery won’t load

[linux-thinkpad@linux-thinkpad.org]

---- 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 around
> >> 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 actually=
,
> >> 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 mW=
h.
> >> 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 i=
t
> >> 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 englis=
h
> 
> 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 stapped together.
If one cells shorts it blows an internal fuse in it's brother and the battery is completely 
open.