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
Apple MacBook Pro 15-inch (2013) Review | PCMag
MacBook Pro 15" Retina Top Case w/ Battery (Late 2013 - Mid 2014) - 661-8311
MacBook Pro 15" A1494 Battery (A1398 Retina Display Models Late 2013 Retina)
A1398 Battery 15 inch MacBook Pro Retina 2012 2013 2014 A1494 DIY Parts replacement Batteries
Apple Still Offering Free Delayed Battery Repairs for Some 2012 and Early 2013 MacBook Pros - MacRumors
MacBook Pro 15" Retina Display Late 2013 Battery Replacement - iFixit Repair Guide
MacBook Pro 15" Retina Display Late 2013 Battery Replacement - iFixit Repair Guide