NewerTech® : Batteries : NuPower® Batteries for MacBook® Pro 15-inch non-Unibody
Keyboard Cover Compatible with 2020 MacBook Pro 13 inch A2338 M1 A2289 A2251 2019 MacBook Pro 16 inch A2141 with Touch ID Retina Display Protective Silicone Skin Navy Blue - Newegg.com
MacBook Pro 15" Unibody Late 2008 and Early 2009 Battery Replacement - iFixit Repair Guide
Keyboard Cover Compatible with 2020 MacBook Pro 13 inch A2338 M1 A2289 A2251 2019 MacBook Pro 16 inch A2141 with Touch ID Retina Display Protective Silicone Skin Navy Blue - Newegg.com
MacBook Pro 15" Unibody (Late 2008-Early 2009) Battery - iFixit
Amazon.com: Late 2008 MacBook Battery
MacBook Pro 15" Unibody Late 2008 and Early 2009 Battery Replacement - iFixit Repair Guide
Late 2008 MacBook Pro loose Battery cover fix - Ask Different
Macworld.ars: 17″ MacBook Pro battery replacement info | Ars Technica
Where is the battery on a MacBook Pro located? - Quora