[ltp] T21 battery charging and draining problems

André Wyrwa linux-thinkpad@linux-thinkpad.org
Mon, 15 Aug 2005 01:25:07 +0200


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Hi,

> 1) The battery never seems to be fully charged.   The LED indicator gets=20
> up to blinking green but never reaches solid green.

I only have experience with totally dead batteries which make the LED
blink orange all the time. If it blinks green i'd guess it just doesn't
manage to last to the full bit, but don't know for sure. If the blinking
annoys you you can use ibm-acpi to change the LEDs state.

> 2) The battery drains while the AC power is plugged in.  When I run the=20
> computer for a long time (with gentoo CD in the drive and serial port=20
> operating) the battery drains until it is blinking orange.  If I power=20
> down the laptop and leave it plugged in it gets back to blinking green=20
> but never to solid green.

=46rom that i would judge that the ThinkPads charging circuits have a
problem, but again, that's more a guess. There might also be a
communications problem between the battery and the charging system.

Andr=E9.


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