Sad Story

Sargun Dhillon xbmodder+openmoko at gmail.com
Mon Dec 15 23:37:19 CET 2008


Battery decay is not linear.

On Mon, Dec 15, 2008 at 2:18 PM, Timo Juhani Lindfors
<timo.lindfors at iki.fi> wrote:
> Stefan Monnier <monnier at iro.umontreal.ca> writes:
>> - unreliable suspend (supposedly fixed in upcoming kernels)
>
> Yes, I have used stable-tracking 80f4b57fef now for 15 days and resume
> works as long as I have use "sleep 4; apm -s; sleep 4" to suspend
> (there is some race somewhere but this avoids it).
>
>> - constant re-registration (here as well, there's a software
>>   workaround, which apparently causes a minor reduction in autonomy, tho
>>   it's not clear yet how minor: it depends on how well suspend works for you).
>
> Here I lose about 3.6 percentage units per hour. If the units are
> linear that means 100/3.6 = 28 hours of suspend time. This is enough
> for me since I can charge the phone over night.
>
> I also bought external USB battery for $14 from
> http://www.dealextreme.com/details.dx/sku.3060 which I use when I am
> away from home for more than one day.
>
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