For Nikon: D4, D4S, D5, D6, D3S, D2H, D2Hs, D3, D2Xs, D2X, D3X. Compatible Batteries: For Nikon EN-EL18, for Nikon EN-EL4A (With BA-T10 Adapter), for Canon LP-E4/LP-E4N (With BA-T20 Adapter). For Canon: EOS-1D C, EOS-1D X, EOS-1D X Mark II, EOS-1D Mark III, EOS-1D Mark IV, EOS-1Ds Mark III.
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