Worried about your MacBook Pro battery exploding? Here are some safety tips - AppleToolBox
For MacBook Pro: MacBook Pro 15 Battery Life
Buy 77.5Wh A1382 A1286 Laptop Battery Compatible for MacBook Pro 15 inch Laptop Core i7 Early 2011 Late 2011 Mid 2012 Version, 661-5476 661-5211 Online in USA. B07BS3G8GV