Nikon EN-EL4A Rechargeable Battery

Nikon EN-EL4A Rechargeable Battery for D3x, D3s, D3, D2Xs

The new Nikon EN-EL4a Li-Ion battery supplied with the Nikon D2Xs digital SLR is the same physical form (size and shape) as the EN-EL4 supplied with the Nikon D2X, but with significantly increased capacity.

Can be recharged using the MH-21 Quick Charger.

The EN-EL4 is rated at 1900 mAh