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
Battery For Apple MacBook Pro 15'' Retina A1398 A1618 Late 2013 Mid 2014 2015 PC | eBay
How to Upgrade / Replace the Battery in a MacBook Pro Retina 15-inch (late 2013 - mid 2015) - YouTube