NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Retina mid 2012 to early 2013 Models
Free Batteries Replacement for MacBook Pro 2012-2013 | iGotOffer
Amazon.com: iProPower A1382 Battery for MacBook Pro A1286 15" inch Laptop [Only for Early 2011, Late 2011, Mid 2012 Version] High Capacity 7200mAh 10.95V/77.5Wh Replacement Battery : Electronics
Amazon.com: Replacement Laptop Battery for Apple MacBook Air 13 inch A1466(Mid 2012, Mid 2013, Early 2014, Early 2015,2017) A1369(Late 2010, Mid 2011 Version) 7200mAh,fits A1496 A1405 A1377 [New Upgraded 3.0] : Electronics
A1417 Battery for MacBook Pro 15" Retina A1398 (Mid 2012-2013)
Replace your 2009-2012 MacBook Pro HD with an SSD
A1417 Battery for MacBook Pro 15" Retina A1398 (Mid 2012-2013)
Amazon.com: A1286 A1382 Laptop Battery for MacBook Pro 15 inch Early 2011 Late 2011 Mid 2012[10.95V 77.5Wh] : Electronics