Dtk&reg; New High Performance Laptop Battery Replacement for Apple A1382 A1286 (Only for Core I7 Early 2011 Late 2011 Mid 2012) Unibody Macbook Pro 15" I7, Also Fit 661-5476 661-5211 with Two Free Screwdrivers - 18 Months Warranty [Li-polymer 6-cell 10.95v 6800mah 74wh]