How to Replace the Battery in a 15-inch MacBook Pro non-Retina (2011-2012) MacBookPro8,2 - YouTube
Amazon.com: A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 [11.26V/99Wh] : Electronics
15" Top Case Keyboard Trackpad Battery A1398 MacBook Pro Retina Mid 2012 E 2013 | eBay
Replacement Laptop Battery For Apple Macbook Air 13 Inch A1466(Mid 2012, Mid 2013, Early 2014, Early 2015,2017) A1369(Late 2010, Mid 2011 Version) | Shopping from Microsoft Start
Apple Has Fully Restored Inventory of Mid 2012 and Early 2013 MacBook Pro Batteries - MacRumors