Amazon.com: NinjaBatt Battery A1278 A1322 for Apple MacBook Pro 13" [Mid 2012 2010 2009 Early 2011 Late 2011] - High Performance [76.56Wh/11.6Vv] : Electronics
MacBook Pro 13" Unibody Early 2011 Battery Replacement - iFixit Repair Guide
MacBook Pro 15" Unibody Early 2011 Battery Replacement - iFixit Repair Guide
Amazon.com: A1322 New Laptop Battery Replace for MacBook Pro 13'' A1322 A1278 (Mid 2009, Mid 2010, Early 2011, Late 2011, Mid 2012) Series, fit MB990LL/A MB991LL/A MC375LL/A MD314LL/A MC724LL/A : Electronics
Replacement Laptop Battery for Apple MacBook Air 13 inch A1466(Mid 2012, Mid 2013, Early 2014, Early 2015,2017) A1369(Late 2010, Mid 2011 Version) 7200mAh,fits A1496 A1405 A1377 [New Upgraded 3.0] - Newegg.com
Battery For Apple MacBook Pro 13 inch A1278 A1322 Mid 2009 2010 Early 2011 2012 | eBay
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
2011 Macbook Pro 13" A1278 Battery Replacement - YouTube
A1322 Battery For Apple MacBook Pro 13" A1278 Mid 2009 2010 2012 /Early 2011 USA 795261351380 | eBay