My 2004 17" PowerBook G4. Believe it or not this is still my main laptop and I use it daily : r/mac
The WUXGA PowerBook G4 17" | MacRumors Forums
Amazon.com: SLE-TECH Replacement Battery for Apple MacBook Pro 17-inch. A1189, A1151, A1212, A1229, A1261,fit with P/N: MA458, MA458*/A, MA458G/A, MA458J/A,MacBook Pro 17" MA092KH/A MacBook Pro 17" MA092LL/A1 2 : Electronics
Apple Laptop Batteries for Apple PowerBook for sale | eBay
NewerTech® : Batteries : Notebook Battery Charger and Conditioner for PowerBook G4 17-inch Aluminum
Rebuilding a PowerBook G4 Battery « Keith's Electronics Blog
NewerTech® : Batteries : Notebook Battery Charger and Conditioner for PowerBook G4 15-inch Titanium