Replacing the Battery in a MacBook Pro Unibody (2009-2012) in 5 Minutes! - YouTube
A1417 New Laptop Battery Replacement for A1417 MacBook Pro 15 Inch Retina A1398 (Only fit 2012 Early 2013 Version); P/N: MC975LL/A MC976LL/A ME665LL/A ME664LL/A MD831LL/A
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
Free Batteries Replacement for MacBook Pro 2012-2013 | iGotOffer
Amazon.com: A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 [11.26V/99Wh] : Electronics
BatPower A1417 Replacement Laptop Battery for Apple Mid 2012 Early 2013 MacBook Pro 15-inch Retina A1398 EMC 2512 EMC 2673 Battery MacBook Pro 15" A1398 Apple A1417 Battery 95Wh
Amazon.com: A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 [11.26V/99Wh] : Electronics
MacBook Pro (Retina, Mid 2012) Battery Replacement - YouTube
MacBook Pro 13" Retina Display Early 2013 Battery Replacement - iFixit Repair Guide
MacBook Pro 15" Retina Top Case w/ Battery (Mid 2012 - Early 2013) - 661-6532