Amazon.com: iFixit Battery Compatible with MacBook Pro 15" Unibody (Mid 2009 /Mid 2010) - Repair Kit : Electronics
MacBook Pro 15" A1321 Battery for Model A1286 (2009-Early 2011)
Amazon.com: SLE-TECH A1321 Battery for Apple MacBook Pro 15" inch A1286 (Only for Mid 2009, Early/Late 2010), fits MC118LL/A MC373LL/A MB986LL/A Series Notebook : Electronics
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Unibody Mid- 2009 and Mid-2010 Models
A1321 Laptop Battery Compatible with MacBook Pro 15 inch A1286 Battery (Mid 2009, Mid 2010 Version Only),Fit MB986LL/A MC373LL/A MC371LL/A MC372LL/A MB985LL/A MC118LL/A 10.95V 77.5Wh 6 Cell - Newegg.com
Gomarty RNAB079BD6586 gomarty a1321 laptop battery for macbook pro 15 inch a1286 (only for mid 2009, early/late 2010) mb985 mb986j/a mc118ll/a mc37