Model A1502 / 2.4, 2.6, or 2.8 GHz dual-core Intel processor / Released October 2013

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Why does my new battery only charge to 54%

Installed ifixit battery in to above mentioned mac. I turned it on and battery was at 67%. The repair guide indicated calibrating battery by running computer till it shut off then recharge it and run down again. During first recharge the charging only reaches 54%. I think i wrote 57 but i see it has stopped at 54. Been on charger about 12 hours. Late 2013 retina 13 inch macbook pro.

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Try an SMC reset and NVRAM reset (Google these to find out how). If this doesn't work, you have a faulty battery, unless the original had the same fault.

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thomas buckley will be eternally grateful.
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