Macbook battery and shutdown issues.

Discussion in 'MacBook' started by lotusindigo, Aug 15, 2010.

  1. lotusindigo macrumors regular

    lotusindigo

    Joined:
    Mar 22, 2010
    #1
    I have an aluminum unibody macbook bought 2/08. I've been having some battery issues:

    1) Even when plugged in for a whole day, it never seems fully charged. It always shows a percentage in the 90's instead of 100%.
    2) The battery drains several times faster than it used to just a month ago.
    3) It shuts down without warning around 40% charge, according to what my computer says.

    Does this sound familiar? I googled and read that maybe I should reset the PRAM or something. Should I just take it in? I have Applecare.
     
  2. celticpride678

    Joined:
    Feb 15, 2009
    Location:
    Boston, MA
    #2
    Go to the Apple Menu>About this Mac>More Info>Power and copy+paste the health information.

    Calibrating your battery and resetting the SMC won't hurt either.
     
  3. lotusindigo thread starter macrumors regular

    lotusindigo

    Joined:
    Mar 22, 2010
    #3
    How do I calibrate my battery and reset the SMC?

     
  4. celticpride678

    Joined:
    Feb 15, 2009
    Location:
    Boston, MA
    #4
  5. Pax macrumors 6502a

    Joined:
    Dec 12, 2003
    #5
    "Check Battery" is Apple speak for "your battery is toast". The mA hr figure confirms it.

    I strongly doubt they will replace it for free - worth a try though. Battery warranty a very grey area with Apple.
     
  6. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #6
  7. ChuckBlack macrumors member

    ChuckBlack

    Joined:
    Jul 5, 2010
    #7
    I've had the same issues with my GF's Macbook 2008 model with the replaceable battery for a few months now. Charge cycles 283. I guess I should have brought it in sooner. Still under 300 charge cycles as per Apples website.
     

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