Bad battery life?

Discussion in 'iPhone' started by nitrogen521, Oct 12, 2010.

  1. nitrogen521

    nitrogen521 New Member

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    Is this normal for a iphone 3gs?

    At 10:20PM I goto sleep and the iphone 3gs is at 80%, I wake up at 6:10AM, and the battery life is at 57%. So I lost 23% of battery life overnight.

    Is this normal or what?

    -AIRPLANE MODE IS NOT ON
  2. studangerous

    studangerous Super Moderator Emeritus Staff Member

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    depends what else you have on too...
  3. Just_For_Now

    Just_For_Now Active Member

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    You have any open apps in the background?
  4. aussigal

    aussigal Member

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    How old is your phone?...
    At a guess I would think you have other things running in the background, my 3gs loses about 5% overnight, but one night it lost way more and I had a few different things running I didnt realise were draining the battery... bluetooth was one I turned off and I think I turned 3G off too cos I dont use or need it.
  5. mikayleach

    mikayleach New Member

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    Also, if you were somewhere that service was a tad weaker than normal, your phone could have been searching for service overnight. That really hurts battery life.
  6. nitrogen521

    nitrogen521 New Member

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    Hmm, no background app was running besides Phone.

    I get full signal and it's a iphone 3gs 8gb. Got it on ebay which means it's june 24 or later.

    I came back from school and school is 8hours for me, and I put it on airplane mode, lost 1% battery life.

    OS is on 4.0.1

    Question: How long does your iphone 3gs last before you charge it?
  7. nitrogen521

    nitrogen521 New Member

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    Woke up this time, with only phone function on, lost 10% today.
  8. aussigal

    aussigal Member

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    I purposely did not recharge mine just to see what is loses and in the last 24 hours with 2 phone calls of about 10 minutes each and 1 sms received/read and 5 minutes searching online in Cydia for something, played one video of 3 minutes, mine used 9%, it was 76% and is now 67% and this is the 3rd night since I charged it.
  9. nitrogen521

    nitrogen521 New Member

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    I wonder what can be the problem on mine.

    I heard 4.0.1 drains battery a lot faster.
  10. gamepro127

    gamepro127 Member

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    My iPhone 4 only loses about 10% from the time I go to sleep till the time I get home from school.

    So far I'm happy with the battery life
    Current battery life 33% Left
    Usage: 2 hours, 58 minutes
    Standby: 1 day, 17 Hours
    (iPhone has not been plugged in since last charge)

    3G ON, Wifi ON

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