Amazon.com: E EGOWAY 7200mAh-79Wh Replacement Battery A1382, Made for Early and Late 2011 Mid 2012 MacBook Pro 15 inch Core i7 : Electronics
hardware - Macbook pro 13" mid-2012 not turning on, no battery leds (battery ok) - Ask Different
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
Apple Has Fully Restored Inventory of Mid 2012 and Early 2013 MacBook Pro Batteries - MacRumors