Original Model Numbers A1382, 020-7134-01, 661-5844 Suitable Models Apple Macbook Pro MC721LL/A MC723LL/A MD103LL/A MD104LL/A MD318LL/A MD322LL/A Apple Macbook Pro 15.4? 2.0GHz Core i7 15.4? 2.2GHz Core i7 15.4? 2.2GHz Core i7 15.4? 2.3GHz Core i7 15.4? 2.3GHz Core i7 15.4? 2.4GHz Core i7 15.4? 2.5GHz Core i7 15.4? 2.6GHz Core i7 15.4? 2.7GHz Core i7 MC721LL/A (Early 2011), MC723LL/A (Early 2011), MC723LL/A (Early 2011), MD318LL/A (Late 2011), MD322LL/A (Late 2011), MD322LL/A (Late 2011), MD103LL/A (Mid 2012), MD104LL/A (Mid 2012), MD104LL/A (Mid 2012) What's in the box 1 x Battery