MacBook Pro Retina 15" 2.2GHz Core i7 (MJLQ2LL/A, A1398, MacBookPro11,4) - Mid 2015

MacBook Pro Retina 15" 2.5GHz Core i7 (MJLT2LL/A, A1398, MacBookPro11,5) - Mid 2015

MacBook Pro Retina 15" 2.8GHz Core i7 (MJLU2LL/A, A1398, MacBookPro11,5) - Mid 2015

please note The Battery Model is A1618. Before your make the order. Please know it:

Battery model A1618 ，A1417， A1494 are both compatible MacBook Pro 15" A1398 Retina, but the years are different, 

A1417 is for mid 2012 early 2013, 

A1494 is for late 2013 mid 2014

A1618 is for mid 2015

Some customers may purchase the wrong model, then the computer can't recognize the battery and can't work.