How to replace the battery in a mid-2012 Macbook Pro | David Artiss
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
MacBook Pro (Retina, Mid 2012) Battery Replacement - YouTube
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 13" Retina late 2012 to early 2013 Models
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
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