Just how long should a MacBook Pro battery last? Only 66 LoadCycles?

Discussion in 'MacBook Pro' started by atlanticza, Jun 9, 2009.

  1. atlanticza macrumors 6502a

    atlanticza

    Joined:
    Jul 18, 2008
    Location:
    Cape Town
    #1
    It's a 23 month old 17" Macbook Pro, yet the battery is dying after only 66 LoadCycles despite my "exercising" the battery according to Apple's recommendations - "Calibrating" etc. An Apple store tested it and says that I need a replacement. Find this hard to believe but there it is. Has anyone had a similar experience? I mean, how long should a battery last?
     

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  2. ViciousShadow21 macrumors 68020

    ViciousShadow21

    Joined:
    Mar 11, 2009
    Location:
    To your left or right
    #2
    well apple guarantees them for 300 cycles or a year. which ever comes first.
     
  3. iVeBeenDrinkin' macrumors 65816

    iVeBeenDrinkin'

    Joined:
    Oct 17, 2008
    #3
    You have 66 cycles in 2 years? I have 152 in about 8 months.

    It is not unreasonable to have to change the battery after two years.
     
  4. gnasher729 macrumors P6

    gnasher729

    Joined:
    Nov 25, 2005
    #4
    A possible very naughty explanation: I think the "load cycles" displayed are not actually the load cycles of the battery, but the load cycles of the computer. At least when I exchanged my battery, the load cycles didn't go down, but stayed at about 480. So there is a possibility that the original poster really looked very well after his battery and almost never used it, and when he didn't watch his MacBook Pro, someone swapped the batteries :eek:

    Anyway, have a look on eBay for batteries.
     
  5. Sweetfeld28 macrumors 65816

    Sweetfeld28

    Joined:
    Feb 10, 2003
    Location:
    Buckeye Country, O-H
    #5
    the battery Apple sent back in my MBP, has 266 cycles!
     
  6. Habusho macrumors 6502

    Joined:
    Aug 12, 2006
    #6
    Wowzas, I got 268 cycles in about 7.5 months.
     
  7. Sweetfeld28 macrumors 65816

    Sweetfeld28

    Joined:
    Feb 10, 2003
    Location:
    Buckeye Country, O-H
    #7
    My guess is that they used it as the test battery at the Depot, and then forgot to change it. but oh well it works. in iStat Pro it still shows 90% life, so it must be ok.
     

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