NewerTech NuPower 74 Watt-Hour Replacement Battery for MacBook Pro 13" – Tape4Backup (K&F Associates LLC)
NewerTech® : Batteries : NuPower® Batteries for MacBook® Pro 15-inch Unibody (2008/2009)
NewerTech MacBook Pro 15-inch Laptop Battery for Unibody Late 2008 / Early 2009 Models
Newer Technology® : News Room : Press Article : Review of NewerTech NuPower Battery for all MacBook Pro 17-inch non-Unibody by Tomas Ratas, from TestFreaks
NewerTech® : Batteries : NuPower® Batteries for MacBook® 13-inch Black non-Unibody