Amazon.com: 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) : Electronics
Amazon.com: RayHom A1382 A1286 Battery 15 inch Core i7 for MacBook Pro Early 2011 Late 2011 Mid 2012 Replacement Laptop Battery (7200mAh 10.95V) : Electronics
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
Amazon.com: New Laptop Replacement Battery for A1278 A1322 [MacBook Pro 13 inch] - (Mid 2009, Mid 2010, Early 2011, Late 2011, Mid 2012), fit MB990LL/A MC724LL/A - [Li-Polymer 6-Cell 66.6Wh 11.1V] : Electronics