AGFA Battery Grip for Nikon D300/D300S/D700 APBGN300
The AGFA APBGN300 Professional, high quality, Battery grip for the Nikon D300, D300S & D700 effectively doubles your shooting time. It holds 1 ENEL3 lithium-ion rechargeable battery. It has a vertical firing release with lock. It also comes with a 6 piece AA battery holder to get you through times when your lithium battery dies and you still need power. The grip dramatically improves stability. An EN-EL4/EN-EL4A battery holder is optional.