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
A1322 A1278 Laptop Battery for Mac-book Pro 13-inch Mid 2012 2010 2009 Early 2011 Late 2011 MC374ll/A MC375LL/A MC700ll/A 10.95V 63.5Wh - Walmart.com
hardware - Macbook pro 13" mid-2012 not turning on, no battery leds (battery ok) - Ask Different