New battery decreasing capacity every charge

Discussion in 'Mac Basics and Help' started by pstt, Jul 20, 2015.

  1. pstt macrumors newbie

    Joined:
    Jul 20, 2015
    #1
    Hi.

    I was bought brand new original battery from private seller to my 2010 macbook pro. I have a problem. My battery capacity is decreasing every charge. On first plug it was 100%, then 95, 88, 85 and now its 78% capacity..

    I was perform reset SMC and calibrate battery, but nothing changes. My system is yosemite 10.10.4.

    Is it normal or maybe battery is broken ?


    Thanks in advance!
     

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  2. pstt thread starter macrumors newbie

    Joined:
    Jul 20, 2015
    #2
    Updated situation.. what do you think about it ?
     

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  3. Fishrrman macrumors G3

    Joined:
    Feb 20, 2009
    #3
    I wouldn't buy another battery from that "private seller" again...
     

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