Three-Day-Old Battery stops charging at 99%

Discussion in 'MacBook Air' started by Kelped, Nov 16, 2011.

  1. macrumors member

    Joined:
    Aug 24, 2010
    #1
    The battery on my new MBA 13" stops charging when it reaches 99%. Is this normal, or should I be concerned about the quality of the battery that I received? Was I supposed to "break in" or calibrate the battery?
    Thanks
     
  2. macrumors Core

    miles01110

    Joined:
    Jul 24, 2006
    Location:
    The Ivory Tower (I'm not coming down)
    #2
    Normal.
     
  3. macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #3
    It's normal that it may stop charging between 93% and 99%. New batteries in unibody models, come pre-calibrated. For details, I encourage you to read the link below. This should answer most, if not all, of your battery questions:
     
  4. macrumors G4

    Joined:
    Oct 23, 2010
    #4
    If you let it drain below 95%, it will usually recharge to 100%. If you unplug it between 95-99% and then plug it back in, it usually will just hold where it is.
     
  5. macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #5
    It could be as low as 93%. See the Battery FAQ.
     
  6. thread starter macrumors member

    Joined:
    Aug 24, 2010
    #6
    Thanks! What a great FAQ.
     

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