Apple MacBook Pro 15" (A1286) Battery - A1382. Apple MacBook Pro 15" A1286 Early 2011 A1382. Apple MacBook Pro 15" A1286 Late 2011 A1382. Apple MacBook Pro 15" A1286 Mid 2012 A1382. The year is the RELEASE year of the model and not necessarily the year you may have bought the Macbook.
eBay