[ltp] X240: Sudden battery death

Christoph Schmees linux-thinkpad@linux-thinkpad.org
Tue, 8 Dec 2015 07:55:15 +0100

Am 07.12.2015 um 21:48 schrieb Jochen Spieker:
> Hi,
> about one and a half years ago I bought an X240 with the 6-cell/72Wh
> battery.  From almost the beginning I monitored the battery status using
> a small custom munin plugin. Here's a static copy of the current state
> (previous year/month/week/day from Munin):
> http://well-adjusted.de/~jrspieker/battery-death/
> What you can see is that the battery health appeared to be pretty stable
> over the last 12 months. But in less than two weeks, the remaining
> capacity ("last full" from /sys/class/power_supply/BAT1/energy_full)
> dropped from 94% to 18% in three steps!
> ...

typical symptom of a dead cell. Do you have warranty? Otheriwse give
the battery to refurbishment or just dump it. And get a new one.

Best regards,

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