!!!!!!  Please check that your existing battery has A1382 written on it and that it matches the picture

NEW Genuine Original Apple MacBook Pro 15" Unibody A1286 2011-2012 Battery A1382

Genuine MacBook Pro 15" A1382 Battery, fits A1286 2011-2012, 

Part number 

A1382

020-7134-A

Compatibility

MacBook Pro 15" 2.0GHz Core i7 (Early 2011)

MC721LL/A

A1286

2011-02-24

MacBook Pro 15" 2.2GHz Core i7 (Early 2011)

MC723LL/A

A1286

2011-02-24

MacBook Pro 15" 2.3GHz Core i7 (Early 2011)

MD035LL/A

A1286

2011-02-24

MacBook Pro 15" 2.5GHz Core i7 (Late 2011)

BTO/CTO

A1286

2011-10-24

MacBook Pro 15" 2.2GHz Core i7 (Late 2011)

MD318LL/A

A1286

2011-10-24

MacBook Pro 15" 2.4GHz Core i7 (Late 2011)

MD322LL/A

A1286

2011-10-24

acBook Pro 15" 2.6GHz Core i7 (Mid 2012)

MD104LL/A

A1286

2012-06-11

MacBook Pro 15" 2.7GHz Core i7 (Mid 2012)

MD546LL/A

A1286

2012-06-11

MacBook Pro 15" 2.3GHz Core i7 (Mid 2012)

MD103LL/A

A1286

2012-06-11

Apple MacBook Pro 15" A1286 Early 2011 A1382

Apple MacBook Pro 15" A1286 Late 2011 A1382

Apple MacBook Pro 15" A1286 Mid 2012 A1382