Amazon.com: A1417 Laptop Battery Replacement for MacBook Pro 15 Inch Retina A1398 (2012 Early-2013 Version), Replacement ME665LL/A ME664LL/A MD831LL/A MC975LL/A MC976LL/A : Electronics
Battery for MacBook Pro 15" Retina A1398 Mid 2015 (Batt.No. A1494-A1618) | Mobile Parts
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) - Newegg.com
Genuine A1417 Battery Apple Macbook Pro 15 Retina A1398 Mid 2012 Early 2013 OEM 662656914928 | eBay
Apple Will Finally Replace Batteries in Mid 2012 and Early 2013 MacBook Pros