NewerTech® : Batteries : NuPower® Batteries for MacBook® Pro 15-inch Unibody (2008/2009)
UGB New A1342 A1331 Battery For apple macbook pro Unibody 13" (Late 2009 Mid 2010) Fits 661-5391 MC207LL/A MC516LL/A - Laptop Battery, Charger and AC Adapter | Ultra Green Battery
Apple MacBook Pro 15-inch A1286(Mid-2009) replacement battery from United States | BatteryBuy.us
661-5211) Battery A1321 - MacBook Pro 15″ A1286 (Mid 2009)
Battery for 2008-2009 MacBook Pro 15-Inch (Unibody)
Apple MacBook Pro 17" Unibody Battery Replacement for Model A1297 DIY Parts replacement Batteries
Amazon.com: iFixit Battery Compatible with MacBook Pro 13" Unibody (Mid 2009 to Mid 2012) : Electronics