Thread: ~7 h battery live, who get's less?
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wmarone is offline wmarone
2010-06-23 , 20:19
Posts: 1,746 | Thanked: 2,100 times | Joined on Sep 2009
#37
Originally Posted by afaq View Post
You know what i make from this thread and other's similar? That there is no single culprit for battery drainage. It sounds like doing anything on this sucks the life out of the battery. True some report miracles with 20+ hours with always online.

I dont think MfE is to blame.
I dont think IM online is to blame.
I dont think Ovi maps is to blame.
I dont think MicroB is to blame.
Ultimately, they all are to blame.
Only if you have them open all of the time. 90% of the time one of the following will kill your battery:
  • Excess CPU usage
  • Weak cellular signal (switches to higher power xmit)
  • Constant radio activity (IRC constantly ticking, AJAX scripts)
  • Poorly behaved program waking up the CPU (foreground or background)

I have disabled every possible function of the phone and discovered it made no difference (lowest brightness, all radio intennas off - except phone function, vibration off, zero multi tasking) and battery drops life like a ....
What software have you installed? There are a handful that are known to be brutal on the system for no good reason.

- When the phone radio is offline (underground train) the battery stabilises but still falls. What does this tell me? well that no application is sucking the battery excessively. No extra devels app uses the phone radio so this filters this possibility.
When phones lose contact with a cellular base station, they go into a high power mode to try and reach the nearest one they can. This kills your battery.

I know, with long testing that 2G is wonderful to the battery life. But who can seriously advise that we use 2G on a daily basis? it's fine for IM chat etc but when you have to open a browser window the pain returns.
I can, have to because I'm on AT&T. And honestly I've had little issue with the browser at those speeds, though I'd rather have 3G if available.