The Nikon EN-EL4a is a recharcheable Li-ion battery for Nikon Digital Single Lens Reflex (DSLR) cameras. Nikon suggests this unit will fit the D3, D3X., D2H, D2HS, and D2XS. Additionally this batter will work with the D700 D300, and D300S when loaded into the MB-D10 grip attachment designed for those cameras.
