Teardown: Debugging a faulty MacBook Pro battery - EDN
How to Replace the Battery in a 13-inch MacBook Pro 2011 (MacBookPro8,1) - YouTube
Baterie pentru MacBook Pro 17" A1297 (an 2011) - cod baterie A1383 - AppleKing.ro
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
A1309 Replace Battery For Apple MacBook Pro 17'' A1297 Early 2009/Mid 2009 2010 | eBay
Amazon.com: New Laptop Replacement Battery for A1278 A1322 [MacBook Pro 13 inch] - (Mid 2009, Mid 2010, Early 2011, Late 2011, Mid 2012), fit MB990LL/A MC724LL/A - [Li-Polymer 6-Cell 66.6Wh 11.1V] : Electronics
Amazon.com: A1382 Battery for MacBook Pro 15 inch A1286 Early 2011 Late 2011 Mid 2012 New Replacement Laptop Battery (7200mAh 10.95V/78.84Wh 25 Months Warranty) : Electronics