MBP shuts down when there is still plenty of battery left

Discussion in 'MacBook Pro' started by Alliekat9, Oct 26, 2010.

  1. Alliekat9 macrumors newbie

    Joined:
    Oct 26, 2010
    #1
    My Macbook Pro keeps shutting down before I reach zero percent battery and often when the battery still has 25% left. I am wondering if this is a software issue that may be fixed or if there is something incompatible with my hardware. I am running 10.6.4 with a 2.16 GHz Intel Core Duo, 2 GB 667 MHz DDR2 SDRAM memory bought in April of 2007. My mac was originally running Tiger, but a few months ago I updated to Snow Leopard. Could this be causing my problem? Please help, it will be very much appreciated! :confused:
     
  2. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #2
    It's likely that you need to calibrate your battery, to make your reading more accurate. This should answer most, if not all, of your battery questions: Apple Notebook Battery FAQ
     
  3. anim8or macrumors 65816

    anim8or

    Joined:
    Aug 16, 2006
    Location:
    Scotland, UK
    #3
    I had the exact same issue with the same generation MBP when i had it.... unfortunately its not a software issue, its the battery.

    I think this was common with these batteries, not enough to cause mass panic or outrage but enough that when i took mine in to be assessed/repaired they had seen it before.

    Basically one of the cells in your battery is faulty and therefor shows as charged but doesn't actually hold a charge, once it hits that cell when using the battery it goes dramatically from a high percentage to a low/zero percent.

    I personally had 2 cells at fault and would drop from 40% charge to zero.

    Before i am asked as well, I tried calibrating the batter numerous times before eventually taking it to apple, and this did not show up straight away it happened almost a year after i had the MBP.

    I would suggest taking it into a genius or calling applecare.
     
  4. harry20larry macrumors 6502a

    harry20larry

    Joined:
    Aug 14, 2008
    #4
    I had the same problem, got to around 45% and the computer went dead. Clicked the battery icon in the menu bar and it said 'service battery'.
    Luckily I was still under extended warranty so they bought me a £100 new battery for free!
     
  5. Alliekat9 thread starter macrumors newbie

    Joined:
    Oct 26, 2010
    #5
    Looks like mine is the same, though unfortunately I think mine is just passed the warranty since I had it replaced around a year ago :mad:
     
  6. vipergts2207 macrumors 65816

    vipergts2207

    Joined:
    Apr 7, 2009
    Location:
    Columbus, OH

Share This Page