iFixit posts repair guide for Retina MacBook Pro, estimates battery replacement at $500 - 9to5Mac
Amazon.com: iFixit A1398 A1417 Battery for MacBook Pro 15" Retina (Mid 2012-Early 2013) - Repair Kit : Electronics
Apple A1417 Battery for MacBook Pro 15" A1398 (Mid 2012)
Kingsener A1417 Laptop Battery For Apple A1398 (2012 Early-2013 Version) For Macbook Retina Pro 15" Fits Me665ll/a Me664ll/a - Laptop Batteries - AliExpress
Non-Retina Mid-2012 MacBook Pro Torn Apart - MacRumors
Amazon.com: A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 [11.26V/99Wh] : Video Games
How to Upgrade the Battery in a MacBook Pro Retina 15-inch (mid 2012 - early 2013) MacBookPro10,1 - YouTube
Amazon.com: iFixit A1398 A1417 Battery for MacBook Pro 15" Retina (Mid 2012-Early 2013) - Repair Kit : Electronics
How to Upgrade / Replace the Battery in a MacBook Pro Retina 15-inch (mid 2012 to early 2013) on Vimeo
Amazon.com: NinjaBatt Battery Replacement A1618 A1398 for Apple MacBook Pro Retina 15" [Mid 2015 Year ONLY]- Long Lasting [11.36V/99.5Wh] : Electronics
MacBook Pro 15" Retina Top Case w/ Battery (Mid 2012 - Early 2013) DIY Parts replacement Top Bottom Case Keywords