NewerTech NuPower 78 Watt-Hour Battery for MacBook Pro 15-inch Unibody Early and Late 2011, Mid-2012 Models - Geekworks
6cells 7070mah A1382 Battery For Macbook Pro 15 Inch A1286 (only For Early 2011, Late 2011, Mid 2012),mc721ll/a Mc723ll - Laptop Batteries - AliExpress
A1382 Battery for MacBook Pro 15 inch A1286 Early 2011 Late 2011 Mid 2012 New Replacement Laptop Battery (7200mAh 10.95V/78.84Wh 25 Months Warranty)