NewerTech® : Batteries : NuPower® Batteries for MacBook® Pro 15-inch non-Unibody
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
661-4600) Genuine Apple Battery – MacBook Pro 15″ A1260 (Early 2008)
Battery for 2008-2009 MacBook Pro 15-Inch (Unibody)