Battery service Macbook Pro Mid 2012 - Apple Community
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
Original A1322 Replacement Battery for Apple MacBook Pro 13 inch A1278 2012 [65Wh/10.95V/6000mAh] - Newegg.com
MacBook Pro 13" Unibody (Mid 2009-Mid 2012) Battery - iFixit
MacBook Pro 15" Unibody (Early 2011-Mid 2012) Battery - iFixit