Amazon.com: ELECBRAiN 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: DMKAOLLK A1322 Battery for MacBook Pro 13 inch Mid 2012,Mid 2009,Mid 2010,Early 2011 MacBook Pro Battery,MacBook Pro Battery Replacement MacBook Pro A1278 Battery 10.95V 63.5Wh : Electronics
MacBook Pro 2012 Hard Drive/SSD Replacment/Memory Upgrade/Battery Replacement - YouTube
How to replace the battery in a mid-2012 Macbook Pro | David Artiss
iFixit: New MacBook Pro has first 'DIY-friendly' battery replacement design since 2012 - 9to5Mac
Amazon.com: iFixit Battery Compatible with MacBook Pro 13" Unibody (Mid 2009 to Mid 2012) : Electronics
How to replace the battery in a mid-2012 Macbook Pro | David Artiss
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
Amazon.com: Ftenlyen A1322 A1278 Battery Replacement - A1322 Battery for MacBook Pro 13 inch Mid 2012 2010 2009 Early 2011 Late 2011 Version High-Performance and Long Lasting [ 10.95V 63.5WH ] : Electronics
Apple Exchanging Some 2012 and Early 2013 MacBook Pros Needing Battery Service With Newer Models [Updated] - MacRumors