MacBook Pro 13" Retina Display Early 2015 Battery Replacement - iFixit Repair Guide
Replacing the battery in a Macbook Pro Retina (late 2013) – todbot blog
MacBook Pro 13" Retina Display Late 2013 Battery Replacement - iFixit Repair Guide
MacBook Pro 15" Retina Display Late 2013 Battery Replacement - iFixit Repair Guide
MacBook Air 13" Early 2015 Battery Replacement - iFixit Repair Guide
Amazon.com: iFixit A1398 A1494 Battery for MacBook Pro 15" Retina (Late 2013 /Mid 2014) - Repair Kit : Electronics
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
MacBook Pro 13" Retina Display Late 2013 Battery Replacement - iFixit Repair Guide
How To: Replace the battery in your MacBook Air 13" (Early 2015) - YouTube
Apple Has Fully Restored Inventory of Mid 2012 and Early 2013 MacBook Pro Batteries - MacRumors