Question about used macbook battery health

Discussion in 'Mac Basics and Help' started by Fosa, Apr 19, 2014.

  1. Fosa, Apr 19, 2014
    Last edited: Apr 19, 2014

    Fosa macrumors newbie

    Joined:
    Jan 21, 2011
    #1
    Hi there!

    I am about to buy a used macbook mid 12. The owner sent me the picture of his battery condition and it says 42 load cycles, but the battery health is 84% and the maximum charge is under 5000 mah, is it normal? Also the battery state is full but the charge is at 97%, is there any problem? I want to have this macbook for years and i need the battery to last for hours, is this battery in good condition or it will need change soon? I attach the photo of the battery condition. Do you see anything strange?


    Thank you
     

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  2. helix142 macrumors newbie

    Joined:
    Jul 7, 2013
    #2
    That capacity is a bit low. 42 cycles in 2 years, looks like they used it plugged in all the time which can diminish capacity. If it's a good price, a replacement battery is about $100.
    By comparison I have a 2010 macbook air here which has 336 cycles and is at 89.6%

    Questions for others:
    If they "exercise" the battery by doing a couple of partial and complete cycles and then recalibrate, is it possible to bring up that capacity?
    How difficult is a battery replacement on a 2012 13" macbook pro?
     
  3. Fosa thread starter macrumors newbie

    Joined:
    Jan 21, 2011
    #3
    The price is not that much low, and i dont want to change battery soon. I would like to see answers to your questions because i have exactly the same!
     

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