Amazon.com: A1278 A1322 Battery, POWERWOO MacBook pro Battery Replacement 13 inch Mid 2012 2010 2009 Early 2011 Late 2011, a1278 Battery with 6000mAh 10.95V 65.7Wh - High Performance and Longevity
Amazon.com: iFixit Battery Compatible with MacBook Pro 13" Unibody (Mid 2009 to Mid 2012) : Electronics
Amazon.com: iFixit A1398 A1417 Battery for MacBook Pro 15" Retina (Mid 2012-Early 2013) - Repair Kit : Electronics
iFixit Debuts New Fix Kits for At-Home Retina MacBook Pro Battery Replacement - MacRumors
A1417 Battery for MacBook Pro 15" Retina A1398 (Mid 2012-2013)
Replacing the Battery in a MacBook Pro Unibody (2009-2012) in 5 Minutes! - YouTube
How to replace the battery in your MacBook or MacBook Pro | ZDNET