Amazon.com: 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
Other Hardware Changes - Apple's 2009 MacBook Pro: Battery Life to Die For
Amazon.com: Atcuji 95Wh A1309 Replacement Laptop Battery for Early 2009 Mid 2009 2010 Apple MacBook Pro 17 inch A1297 EMC 2272 A1297 EMC 2329 EMC 2272 EMC 2352 Battery MacBook Pro 17" A1297 Apple A1309 Battery : Electronics
Amazon.com: HUSAN New A1309 Laptop Battery Compatible for MacBook Pro 17" A1297 (Only fit Early 2009 Mid-2009 Mid-2010),fits MC226/A MC226CH/A MC226J/A 020-6313-C 661-5037-A : Electronics
A1322 A1278 Laptop Battery Replacement for Apple MacBook Pro 13 inch (2012 2011 2010 2009 Version) 661-5557 661-5229 020-6547-A MD101LL/A MC700LL/A MD102LL/A MD313LL/A MC374LL/A MB991LL/A MC375LL/A : Electronics - Amazon.com