Purchase a MacBook Pro 15-inch (Mid 2012 - Early 2013) Replacement Battery (A1417) | mac of all trades
Battery A1382 for MacBook Pro 15" A1286 (Early 2011-Mid 2012)
BatPower | A1382 Battery for Early 2011 Late 2011 Mid 2012 Apple Macbook Pro 15" A1286 -10.95V/77.5Wh/7200mA
iProPower A1382 Battery for Apple MacBook Pro A1286 15" inch Laptop [Only for Early 2011, Late 2011, Mid 2012 Version] High Capacity 7200mAh 10.95V/77.5Wh - Newegg.com
MacBook Pro Battery Replacement Kits from OWC
Apple MacBook Pro 15" A1286 (Early 2011 - Mid 2012) - Battery A1382 HQ | Fixshop
MacBook Pro 15" Unibody (Early 2011-Mid 2012) Battery - iFixit
MacBook Pro 15" Retina (Mid 2012-Early 2013) Battery – iFixit Store
MacBook Pro 15" Unibody (Early 2011-Mid 2012) Battery - iFixit
A1398 Battery For Apple MacBook Pro 15 inch Retina A1398 (Mid 2012 Early 2013) A1417 Battery 10.95V/ 95WH|Laptop Batteries| - AliExpress
EBK New A1382 Battery for Mac book Pro 15 inch A1286 (only for Early 2011, Late 2011, Mid 2012), fit MC721LL/A MC723LL/A 661-5844 020-7134-A with free tools - Walmart.com