Amazon.com: Puredick This A1398 Battery for (Mid 2012 & Early 2013 - Please Confirm Your MacBook Year Before Buying) A1417 Battery only for Mid 2012 & Early 2013 15-inch Retina A1398 MacBook Pro : Electronics
MacBook Pro 15" Retina Top Case w/ Battery (Mid 2012 - Early 2013) DIY Parts replacement Top Bottom Case Keywords
Amazon.com: Temark A1382 Replacement Battery for MacBook Pro 15 inch A1286 (only for Early 2011, Late 2011, Mid 2012), fit MC721/A MC723/A MD318/A MD322/A MD104/A MD103/A : Electronics
E EGOWAY A1417 Laptop Battery Replacement Compatible with MacBook Pro 15 inch Retina A1398 Mid 2012 Early 2013, fits ME665LL/A ME664LL/A MC976LL/A MC975LL/A - Newegg.com
Mid-2012 Macbook Pro Battery Replacement - YouTube