10.95 V / 77.5 Wh Laptop Replacement Battery for Apple MacBook Pro 15" A1321 A1286 Compatible with 15 Inch MacBook Pro 5.3 MacBook Pro 5.4 MacBook Pro 6.2 Replacement Battery: Amazon.de: Computer & Accessories
ANTIEE A1707 Battery Replacement, A1820 Battery for MacBook Pro 15" (Late 2016, Mid 2017) Touch Bar
MacBook Pro 15" Unibody Early 2011 Battery Replacement - iFixit Repair Guide
2011 Macbook Pro 15" A1286 Battery Replacement - YouTube
A1321 A1286 Laptop Battery for MacBook Pro 15 Inch Mid 2009 Mid 2010, Replacement for MacBook Pro - Lanka Laptop House