Just to comment on this even if it's a little OT. I have been using the device in GSM mode only and being always on-line with Skype & Gtalk. As expected, the battery lasts a lot longer and I didn't notice any difference (of course) on using IM. Cool. Thanks Aniello 2010/2/24 Aniello Del Sorbo <anidel@xxxxxxxxx>: > 2010/2/23 Michel Dänzer <michel@xxxxxxxxxxx>: >> On Mon, 2010-02-22 at 12:08 -0600, Paul Hartman wrote: >>> >>> My battery seems the same as always. If I don't make any phone calls >>> it lasts around 13 hours at the most (I'm connected to wifi 90% of the >>> time, phone mostly sits idle). >> >> That seems very low. I can easily go for three days between charging, >> and I've gone up to slightly more than 100 hours. I rarely make phone >> calls, but I'm connected to WiFi (and logged into Skype and Jabber >> accounts) at least half the time as well and regularly do package >> installs/upgrades, SMS/IM and general tinkering. >> >> >>> If I made phone calls the life is shorter, and especially if I used >>> speakerphone it seems like a 5-minute call can take away 1 hour of >>> battery life... :) >> >> That's probably due to CPU usage, which IME can take a huge toll on the >> battery. When the device is (supposedly) idle, make sure that e.g. htop >> doesn't show any significant CPU usage by any process other than itself >> (and Xorg and osso-xterm, if you're running it on the device display). >> >> I suspect the display brightness could also make a big difference for >> battery life, I have it at the lowest setting. >> >> Also FWIW I have Bluetooth disabled and am only using GSM, not 3G, as I >> only use WiFi for internet access. >> > > What I think helps you a lot getting that massively amount of battery > usage time is switching to GSM only. > 3G is a real resource hog. More than WiFi (as this is heavily optimized). > > Putting the LCD brightness to a lower value also helped. > > I am switching my device to GSM only and use is as normal. > Afterall I do navigate the web only every now and then, but I mostly > use IM and for that I don't need 3G. > And I can always switch back to 3G is I really need something fast. > > Thanks. > > -- > anidel > -- anidel _______________________________________________ maemo-users mailing list maemo-users@xxxxxxxxx https://lists.maemo.org/mailman/listinfo/maemo-users