Newmowa EN-EL4,EN-EL4A Rechargeable Li-ion Battery for MB-D10 Battery Pack and Nikon D2H D2Hs D2X D2Xs D3 D3s D3x F6 Digital SLR Cameras 1 Rechargeable Li-ion polymer battery for Nikon (Charger is not included) Rated at 11.1V and 2600mAh for a longer run time than the original Li-ion Polymer cells for longer battery life with no memory effect Fully compatible with the Nikon camera