Nikon EN-EL4a No-Mem Lithium-Ion Digital Camera Battery – Lithium Ion (Li-Ion) – 11.1V DC

The Nikon EN-EL4a rechargeable Lithium-Ion battery works for the Nikon D2H, D2Hs, D2X & D2Xs digital cameras. This lithium battery ensures maximum battery life and maximum power and also has No Memory Effect that lets you recharge partially drained batteries without reducing performance.