Internal Replacement Laptop Battery A1322/A1278 Compatible with MacBook Pro 13'' (Mid 2009, Mid 2010, Early 2011, Late - Micro Center
How to replace the battery in Apple MacBook Pro 15-inch A1417 for model A1398 (Mid 2012) - YouTube
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
AN·GWEL A1286 A1382 Laptop Battery for MacBook Pro 15 inch Early 2011 Late 2011 Mid 2012 MC721LL/A, MC723LL/A, MD035LL/A,MD318LL/A,MD322LL/A,MD103LL/A,MD104LL/A[10.95V 77.5Wh] - Newegg.com
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
Replacing the Battery in a MacBook Pro Unibody (2009-2012) in 5 Minutes! - YouTube
Amazon.com: Temark New A1382 Battery for MacBook Pro 15 inch A1286 (only for Early 2011, Late 2011, Mid 2012), fit MC721LL/A MC723LL/A 661-5844 020-7134-A : Electronics
MacBook Pro (Retina, 15-inch, Mid 2012) - Technical Specifications
2012 Macbook Pro 15" A1286 Battery Replacement - YouTube
Amazon.com: iProPower A1382 Battery for MacBook Pro A1286 15" inch Laptop [Only for Early 2011, Late 2011, Mid 2012 Version] High Capacity 7200mAh 10.95V/77.5Wh Replacement Battery : Electronics
Amazon.com: A1382 Laptop Battery Compatible with MacBook Pro 15 inch A1286[Early 2011, Late 2011, Mid 2012 Version ], Fits MC721LL/A MC723LL/A MD035LL/A MD318LL/A MD322LL/A BTO/CTO MD103LL/A MD104LL/A BTO/CTO : Electronics
Apple Has Fully Restored Inventory of Mid 2012 and Early 2013 MacBook Pro Batteries - MacRumors