[maemo-users] N900 battery duration

From: Marius Gedminas marius at pov.lt
Date: Fri Oct 16 11:58:26 EEST 2009
On Fri, Oct 16, 2009 at 10:48:27AM +0200, Andrea Grandi wrote:
> after some days using the N900 (with already lot of charge/discharge
> cicles) I'd like to compare my battery duration with other people.
> At least for me, battery doesn't last so much... for example one day I
> charged it at 10:30 and it lasted only until 18:30 without using GPS,
> fotocamera, wifi, bluetooth, ecc.... just 20 minutes connected in
> UMTS/HSDPA and the rest of the time keeping it in my pocket.

That sounds a bit low.

Not that I've seen longer life on mine, but I use mine a lot.  A day or
two ago it survived from 8 AM to 2 PM while online using 3G (and later
WiFi), with almost constant web browsing, email checking, note taking
and GPS usage.  I started charging it before I saw the 'low battery'

> I don't have any particular application installed... I only use one
> virtual desktop and the widget are: calendar, facebook, forecast.
> Nothing more.

Have you tried disabling facebook and forecast?

Have you tried running powertop in an xterm and looking at the output?

> Another day the battery only lasted 6 hours... browsing a little more
> (30 minutes in total).
> Anyone else is experiencing the same problem?

> p.s: today I'm not going to use it to connect to internet, just using
> it as media player (I'm in the university library) listening it with
> my headset. I'm playing mp3 songs since 1 hour and the battery is
> still displayed as full. Not bad.

Marius Gedminas
(mental note: stop installing red hat. everytime i do so, it takes ages to fix
my system again.)
                -- from the sig of Martin Högman
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