Re: Fix battery time from under 7 hours to over 9 days!
 

yes, reboot it and after seconds appear again. the calendar is setup to delete items older then 2 weeks. could be that the reason?

Re: Fix battery time from under 7 hours to over 9 days!
 

That sounds like a bug worth filing, specifically to do with the calendar app. Hopefully someone on the bug tracker will be able to talk you through troubleshooting it, e.g. uploading a copy of your calendar db and/or settings, so they can see why the CPU usage is so high.

Re: Fix battery time from under 7 hours to over 9 days!
 

world clock maybe?? after i removed 2 regions with only local battery seems to last alot longer than usual.

Re: Fix battery time from under 7 hours to over 9 days!
 

what? is this true? the less world clocks the longer the battery?

Re: Fix battery time from under 7 hours to over 9 days!
 

Should put in 24 timezones or more cities and see if it makes a major difference again.

Re: Fix battery time from under 7 hours to over 9 days!
 

Hi All.

I am new forum and N900 user.
Please tell me if it is really possible even in theory to increase the battery life to anything close to 9 days (like the tittle states) ?

My battery lasts up to around 48 hours on GSM, offline, mostly idle. It lasts for less than 12 hours when I access internet several times and make few phone calls.

I am trying to return the phone to the shop as my 14-days money back guaranteed period has not passed yet but I doubt if they will accept the return of a product that has been in use. So my only hope will be probably this forum and nokia updates...

Cheers.

Re: Fix battery time from under 7 hours to over 9 days!
 

This thread is mostly about a bug in Wi-Fi on the phone causing heavy battery draining on some users. With that bug triggered a fully charged battery will not last 7 hours. As such, you likely do not have the problem there.

As for other things that use battery. Some widgets may increase battery usage. Specifically calendar widget seems to have a big in it that causes it to use a lot of battery in some conditions. Search the forum for topics about that. I haven't personally experienced it and can't help much there.

Signal level, both on 2G and on 3G, will affect the battery lifetime. And it depends a lot on the usage. Different people use very different words to describe same behavior. But I would estimate from your wording that there is something draining battery. But the problem isn't very severe.

Re: Fix battery time from under 7 hours to over 9 days!
 

I haven't read through the whole thread, so I'm not sure if anyone has tried this. (And I don't have the bug either, so I can't confirm)

Has anyone tried turning off the "Search Interval" in the WiFi settings?

(I didn't have the bug before, but it did seem to increase battery times slightly.)

Re: Fix battery time from under 7 hours to over 9 days!
 

Automatic search for wi-fi will use quite a bit more battery than the option that I use, which search interval 'never' plus 'always ask'.

Re: Fix battery time from under 7 hours to over 9 days!
 

Yes, the bug doesn't care about search interval or automatic connection. Even with 'never' and 'always ask' full battery dies under 7 hours if Wi-Fi connection had been on at any point. Simple searching for connections doesn't trigger it.