Apple Exchanging Some 2012 and Early 2013 MacBook Pros Needing Battery Service With Newer Models [Updated] - MacRumors
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 13" Retina late 2012 to early 2013 Models
MacBook Pro 13" A1425 Battery Retina Display (Late 2012 - Early 2013)
Replacing the battery on a 2012 MacBook Pro - TidBITS Talk - TidBITS Talk
You can finally replace the battery in your MacBook Pro with Retina by yourself if you've got the nerve | iMore
Recyclers disagree on impact of glued-in Retina MacBook Pro batteries | Ars Technica
A1417 Battery for Genuine OEM MacBook Pro 15" Retina A1398 Mid 2012 Early 2013 | eBay
Amazon.com: A1502 A1582 Battery for MacBook Pro 13 inch Retina (Early 2015, Mid 2014, Late 2013) POWERWOO A1493 Battery Replacement - High Performance [11.42V/ 74.9Wh] : Electronics
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] : Electronics