Amazon.com: Replacement A1494 A1618 Battery for MacBook Pro A1398 (Late 2013, Mid 2014, Mid 2015 Version), Apply to MacBook Pro 15 inch Retina Late 2013,Mid 2014 and Mid 2015 : Electronics
Amazon.com: Puredick A1494 A1618 Battery Only for (Mid 2015, Mid 2014, Late 2013) A1398 Replacement Battery for 15-inch A1398 - [Upgraded A1494/A1618 Universal Version] : Electronics
Amazon.com: A1618 New Laptop Battery Replacement A1494 A1398 Battery for MacBook Pro Mid 2015 Mid 2014 Late 2013 15 inch Retina MJLQ2LL/A MJLT2LL/A MJU2LL/A EMC 020-00079 02000079 [11.36V/99.5Wh] : Electronics
Amazon.com: A1494 Laptop Battery for MacBook Pro 15 inch Retina A1398 Late 2013 Mid 2014 Early 2015 Version, ME293 ME294 MGXA2 MGXC2 MJLQ2 MJLT2 MJLU2 : Electronics
A1618 Battery for MacBook Pro 15" Retina A1398 (Mid 2015)
Just installed battery #3 in my mid-2015 MacBook Pro. Also applied fresh thermal paste and removed the dust. Here's to many more years of use! : r/ macbookpro