Battery standby

Rubén Berenguel ruben at
Tue May 11 05:03:53 EDT 2010


I give the link of my battery standby results

On the x axis: minutes, on the vertical cat /sys/class/power_supply/capacity .

Low quality output because I had gnuplot problems.

I am thinking of writing some small C program running continuously
(every 5-10 min?) via cron, that does some analysis on cat
/sys/class/power_supply/capacity, i.e. estimated run time left, sound
alert if cap<5 and such things. Is there any interest on this?


On Tue, May 11, 2010 at 10:24, Adam Wang <adam at> wrote:
> Hi,
>> Charging time: Sorry, have not tested, but it is around 1h30 if
>> totally depleted, I think. But I guess that may depend on the computer
>> power settings, also.
> I'd test charge time before, you can reference to [1]. This page is
> mostly based on hardware viewing to know that how it charge. But you
> are right, the results will be depended on specific settings on s/w.
> Adam
> [1]
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