Amazon.com: A1322 Battery, A1278 Battery for MacBook Pro 13 inch (Mid 2009, Mid 2010, Early and Late 2011, Mid 2012 Version) 661-5229 661-5557 020-6547-A 020-6765-A : Electronics
Amazon.com: iFixit Battery Compatible with MacBook Pro 13" Unibody (Mid 2009 to Mid 2012) : Electronics
13 Inch MacBook Pro Replacement Battery A1278 | MacMemory.com
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
Amazon.com: Fancy Buying A1278 A1322 MacBook pro Battery Replacement 13 inch Mid 2012 2010 2009 Early 2011 Late 2011-10.95V/63.5WH : Electronics
Amazon.com: DMKAOLLK A1322 Laptop Battery for MacBook Pro 13 inch A1278 (Mid 2009 2010 Early 2011 Late 2011 Mid 2012 Version) MB990LL/A MB991LL/A MC375LL/A MD314LL/A MC724LL/A - 12 Months Warranty : Electronics