Amazon.com: Ankon A1382 A1286 Laptop Battery for Apple MacBook Pro 15" i7 (Only for Core i7 Early 2011 Late 2011 Mid 2012 Version) MB985 MC721 661-5476 661-5211 [6-Cell 77.5WH] : Electronics
NewerTech NuPower Battery for MacBook Pro 15", NWTBAP15MBU78W
Amazon.com: NinjaBatt Battery A1278 A1322 for Apple MacBook Pro 13" [Mid 2012 2010 2009 Early 2011 Late 2011] - High Performance [76.56Wh/11.6Vv] : Electronics
A1382 Battery for Original Apple MacBook Pro 15" A1286 Late 2011 Mid 2012 10.95V | eBay
Amazon.com: DMKAOLLK A1382 A1286 Battery for MacBook Pro Battery 15 inch Mid 2012 Early 2011 Late 2011 A1286 : Electronics