Amazon.com: ITTECC Replacement Internal Speaker Left+Right Set Fit for MacBook Pro 15" Unibody Retina A1398 Series (Mid 2012, Early 2013) 2014 2015 : Electronics
Amazon.com: A1417 Laptop Battery Replacement for MacBook Pro 15 Inch Retina A1398 (2012 Early-2013 Version), Replacement ME665LL/A ME664LL/A MD831LL/A MC975LL/A MC976LL/A : Electronics
How to check if your MacBook is eligible for a free battery replacement -
15" MacBook Pro A1398 Early 2013 Battery Replacement How To *Watch completely before attempting!* - YouTube
A1437 Replacement New Battery For MacBook Pro 13''A1425 (Late 2012 Early 2013) | eBay
How to Replace the Battery in a MacBook Pro Retina 13-inch (late 2013 to early 2015) - YouTube
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
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Retina mid 2012 to early 2013 Models
Battery Replacement A1437 for MacBook Pro 13" Retina A1425 (Late 2012,Early 2013)