Document with answers to most popular battery-related questions is ready

Paul Fertser fercerpav at
Tue Aug 4 21:21:29 CEST 2009

> Timo Juhani Lindfors <timo.lindfors at> writes:
>> Could the capacity measurement get confused during long storage?
> Answering to myself here: When I charged the battery capacity
> increased steadily but when it reached 67% it suddenly jumped to 100%
> in one minute. I think this concludes that the capacity reported by
> Linux is not always correct.

Yes, that's the info from bq27000 that you see. I'll soon expose the
flag that tells if bq27000 is certain in its values or not.

So yes, i recommend to charge the battery before storage a bit (~50%
is ok), and to be sure of capacity to do a calibration cycle (which
i'll describe later).

Be free, use free ( software!
mailto:fercerpav at

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