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yet another battery issue

Discussion in 'Android Devices' started by cultor, Feb 21, 2011.

  1. cultor

    cultor Member
    Thread Starter

    I've had this phone foralmost a year now.
    There are periods when I use this phone a little bit, but also periods where the phone just lies there.
    At first it would last 4 days without phoning. A little bit of texting and like 15 minutes worth of wifi.
    Recently my phone doesn't last 2 day, even without touching it!!!
    GPS, Wifi, Mobile internet, all is of...

    I installed system Panel and let it run a few days, but it doesn't come up with anything...
    When I check the system details on android itself it says
    48% mobile stand-by
    48% inactive
    2% android system
    2% Wifi

    Is my battery broke or what?
    I have a serious amount of apps installed, but as I said, system monitor doesn't go beyond 3% CPU usage

  2. kewlbuddy

    kewlbuddy Android Enthusiast

    did you calibrate your battery?
  3. cultor

    cultor Member
    Thread Starter

    what do you mean exactly?
  4. cultor

    cultor Member
    Thread Starter

    I did that couple of months ago
    Phone is almost empty, gonna try it tomorrow
    I'll let you know if it helped
  5. Evil Genius

    Evil Genius Android Enthusiast

    did you fiddle about with it endlessly by plugging it in, waiting for it to fully charge then letting it discharge then charging until half full before taking out the battery, shaking it about a bit, putting back in the phone the starting in boot mode to check the resistance in ohms and then charging it and discharging it another 50 times before realising that your charger is the real problem and your battery is fried.

    my advice, don't bother. it's well documented that the battery life is POOR.

    take time to set your phone up how you need it (which apps you really want to sync and sync frequency). resign yourself to the fact that you have to charge it every night and make sure you have a spare charger in the car/at work/upstairs/downstairs etc.

    then just enjoy your phone.
  6. cultor

    cultor Member
    Thread Starter

    I know bat life is poor
    but going from 4 day to 2 days after merely a year of having the phone...
  7. Usta

    Usta Android Expert

    4 days? I never had that! :rolleyes:

    For me, these are the normal times:
    Active usage - charge daily.
    Passive usage - charge every other day.
  8. amlothi

    amlothi Android Expert

    This is consistent with your phone doing nothing. Most of the power is just being on and maintaining a connection with cell towers (needed to receive calls and texts).

    Based on this, there is nothing wrong with your phone.

    You could buy a spare battery if you think the battery is worn out; however, based on posts in this forum and my own personal recollection, 2 days out of a phone that isn't being used is probably about normal. I get about 1 day from mine with usage.
  9. widehead

    widehead Android Enthusiast

    Oh! Oh! Oh! I have one too!

    Erm, did you Feng Shui your Desire? That helps just as much as calibration.

    Whatever you do don't give your Desire the MMR vaccine as it will definitely develop autism and the battery will drain so much faster.

    How about some advice that may actually help?

    The cell standby time seems way too high and can be indicative of very poor signal strength in your area. Try setting your phone to GSM only for a day or two and checking if it helps.

    Settings>Wireless & networks>Mobile networks>Network mode>GSM only.
  10. cultor

    cultor Member
    Thread Starter


    I calibratedit and now after 24 hours it still has 80% battery
    Where the other time it would be 45-55%

  11. SUroot

    SUroot Extreme Android User

    BBC - Science & Nature - Horizon

    Last paragraph, but particularly

  12. widehead

    widehead Android Enthusiast

    Erm yes, that was the point of my post.

    Feng Shui = worthless

    MMR Controversy = pseudoscientific nonsense

    Calibration = pointless, worthless nonsense.
  13. widehead

    widehead Android Enthusiast

    In the absence of anything other than anecdotal evidence I feel the need to abstain from provisional acceptance of the hypothesis that calibration improves battery life.
  14. cultor

    cultor Member
    Thread Starter

    By now it would be empty and still going at 68%

    I'm a happy boy now
  15. widehead

    widehead Android Enthusiast

    Can anyone verify the claim for this kind of performance other than on a phone that has simply been on standby?

    I usually loose something in the region of 8% of my battery for every 8 hours on standby. This would mean that I would have in the region of 76% left after 24 hours - if I did not use my phone.

    cultor, what kind of usage gives you 20% drain in 24 hours?
  16. cultor

    cultor Member
    Thread Starter

    24 hours in stand by, just laying on the table
  17. widehead

    widehead Android Enthusiast

    I have never calibrated my battery and this is what I get.

    Ergo calibration is a waste of time.
  18. SUroot

    SUroot Extreme Android User

    Imo, all calibration does is move the phone % down so when the battery is 90% the phone still thinks its 100%.

    Of course it shuts down earlier too.

    Unless the battery lasts only 2 hours, calibration is pointless
  19. DC E1G

    DC E1G Well-Known Member

    This is actually seems perfectly fine for a phone that is doing nothing. On days where I hardly use my phone the Android System rarely clocks in at more than 4 percent and Phone Idle/Cell Standby take up the rest.

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