Zeikos ZE-NBG90 Battery Power Grip for Nikon D80 & D90
The Zeikos Power grip for the Nikon D90/D80 is the perfect solution for doubling your shooting time. It holds either 2 BP511 Lithium-Ion Rechargeable batteries or 6 AA batteries. It has a vertical firing release with a lock and dramatically improves stability. It has a 1 year warranty.