MacBook Pro 15" Retina Top Case w/ Battery (Mid 2012 - Early 2013) - 661-6532
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
Apple Has Fully Restored Inventory of Mid 2012 and Early 2013 MacBook Pro Batteries - MacRumors
How to replace the battery in Apple MacBook Pro 15-inch A1417 for model A1398 (Mid 2012) - YouTube
A1322 Battery for Apple MacBook Pro 13 inch A1278 (Mid 2009 - Mid 2012)
MacBook Pro (Retina, 15-inch, Mid 2012) battery replacement
Macbook Pro 15" A1398 Battery Replacement for Mid 2012-Early 2013 (Mod – iGadget
MacBook Pro 15" Retina (Mid 2012) Replacement Battery - Ausbatteries
Amazon.com: A1502 Replacement Laptop Battery for MacBook Pro Retina 13 Inch Late 2013 Mid 2014 Early 2015; MacBook Pro A1493 A1582 Battery EMC 2678 2875 2835 ME864 ME865 : Electronics
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit