[Gta04-owner] Battery life

NeilBrown neilb at suse.de
Thu Apr 26 23:28:00 CEST 2012


On Thu, 26 Apr 2012 23:09:42 +0200 Rainer Dorsch <ml at bokomoko.de> wrote:

> Am Thursday 26 April 2012 schrieb NeilBrown:
> > On Thu, 26 Apr 2012 19:19:20 +0200 Mario Barcala
> > 
> > <mario.barcala.rodriguez at gmail.com> wrote:
> > > Hi all:
> > > 
> > > I am new to this list and have not a GTA04 yet, but I'm thinking
> > > about buying one. I want to free my phone :)
> > > 
> > > I'm worried about battery life. I have read Radek mail about QtMoko
> > > v44, which achieves 25 mA when device is suspended = 48 hours, but, if
> > > I want to use the device only as GSM phone, is it possible to poweroff
> > > unused devides to increase autonomy? That is, is it possible to
> > > poweroff bluetooth, wifi, etc and get extra battery life in suspend
> > > and waked up also?
> > > 
> > > Thank you and congratulations for your work.
> > 
> > The 25mA is with everything unnecessary turned off.  If you have wifi or
> > bluetooth powered, that number goes up quite a bit.
> > 
> > It seems likely that we can find some more things to turn off an get that
> > 25mA down a bit more, but no-one had found the things to turn off yet
> > (though the sound device is the first place to look).
> > 
> 
> Neil, 
> 
> do you know why the n900 manages to go down to ~5 mA in airplane mode?
> 
Probably because it had more developers, with more time, more domain
knowledge, and more hardware testing tools focused on finding and fixing the
problems.

NeilBrown

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