MacBook Pro 13" Unibody (Mid 2009-Mid 2012) Battery - iFixit Store
Battery Indicator Board for Macbook Pro 13" A1278 (Mid 2009-Mid 2012)
Apple MacBook Pro 15" A1286 (Early 2011 - Mid 2012) - Battery A1382 - Pure Cobalt | Fixshop
10.95v 77.5wh A1382 A1286 Laptop Battery For Apple Macbook Pro 15" Early 2011 Late 2011 Mid 2012 020-7134-01 661-5844 - Laptop Batteries - AliExpress
Amazon.com: NinjaBatt Battery A1278 A1322 for Apple MacBook Pro 13" [Mid 2012 2010 2009 Early 2011 Late 2011] - High Performance [65.7Wh/10.95v] : Electronics