Iphone 4s Goes Off at 18%

Discussion in 'iPhone' started by pauly800, Nov 21, 2015.

  1. pauly800 macrumors regular

    Joined:
    Dec 7, 2014
    #1
    I bought a used iphone 4s on ebay that was excellent condition about 1.5 years ago. It was great. Then recently i noticed my battery would go out really fast. Such as when you don't even use it, it would go from 100% all the way to 50 percent when i didn't do anything on it. I got a battery replacement and my battery now is much better.


    However i still have the issue where the moment it goes to 18%, it would shut off. I would then have to recharge it. Does anyone here have this issue and know how to fix it? Surely this isn't a battery issue since i got the battery replaced?
     
  2. chrfr macrumors 603

    Joined:
    Jul 11, 2009
    #2
    It's likely that the replacement battery is also faulty. Replacement batteries are often lower quality and/or lower capacity than the original, if you didn't get the new battery through Apple.
     
  3. pauly800 thread starter macrumors regular

    Joined:
    Dec 7, 2014
    #3
    i got it through a repair shop. However, isn't it true all batteries bought from those places not through apple though?
     
  4. nordique macrumors 6502a

    Joined:
    Oct 12, 2014
  5. roanmy macrumors newbie

    Joined:
    Nov 10, 2011
    #5
    I had the same problem, at 43% though. A change of battery did the trick.
     
  6. pauly800 thread starter macrumors regular

    Joined:
    Dec 7, 2014
    #6
    Okay so my initial battery had this issue. Then i went to a place where it got very good ratings change my battery and im having this same issue. Though it doesn't have the issue of the battery draining very fast.


    So are you telling me don't even bother getting a battery replacement at any of these places or go get it directly through apple?
     
  7. lamborghini392 macrumors member

    Joined:
    Oct 22, 2015
    #7
    Have you already tried a battery calibration? Switching batteries can cause calibration problems because of the change in charge capacity.
     
  8. pauly800 thread starter macrumors regular

    Joined:
    Dec 7, 2014
    #8
    Okay so i updated to ios 9. I had lot of issues with this. Okay few times the battery would go out 40 percent battery... other times like another number under it. I then updated to IOS 9. And now battery seems to go out around 18%.


    Anyone else know why this issue is happening?



    What is battery calibration? I don't know how to open battery up for iphone. Last time i went to repair show to have battery replaced and thought after that... it was good to go.
     
  9. Newtons Apple macrumors P6

    Newtons Apple

    Joined:
    Mar 12, 2014
    Location:
    Jacksonville, Florida
    #9
    I would take it to the Apple store and pay for a brand new Apple battery to be installed.
     

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