MacBook Pro 15" Unibody Mid 2009 Hard Drive Cable Replacement - iFixit Repair Guide
661-5229) Battery A1322 - Apple MacBook Pro 13″ (2009-2010)
New Laptop Battery For Apple Macbook Pro 13" Inch A1278 A1322 Early 2011 2012 Mid 2009 2010 Late 2011 020-6764-a 020-6765-a - Laptop Batteries - AliExpress
MacBook Pro 17" Unibody Battery Replacement - iFixit Repair Guide
Amazon.com: Easy&Fine Replacement A1322 Laptop Battery for MacBook Pro 13 inch A1278 Battery (2012 2011 2010 2009 Version) MB990LL/A MB991ll/A MC374ll/A MC375LL/A MC700ll/A MD101LL/A MD102LL/ MacBook pro Mid 2012 : Electronics
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
MacBook Pro (mid 2009) in-depth impressions | Engadget