DSTEĀ® replacement EN-EL4a Li-ion Battery for Nikon EN-EL4, EN-EL4a, D2, D2H, D2Hs, D2X, D2Xs, D3, D3S, D3X, F6, MB-D10 (Camera Photos)
impeccable for the price it enables me to do my work better burst mode which was a bit winded with my old battery that I thought still good despite its low under load