Amazon.com: Replacement for Canon EOS-1D Battery - Fully Compatible with EOS-1D, EOS 1D Mark II N, EOS 1DS Mark II, NP-E3 - (2000mAh Ni-MH) : Electronics
Duracell Ultra Batteries Size D MN1300 LR20 1.5V Pack of 2
6N6-1D-2 Dry Charge Battery: Acid Required | Battery Mart
Fully Decoded] Kastar 1-Pack 11.1V 4400mAh LP-E4N Battery Replacement for Canon EOS 1D C, EOS 1D X, EOS 1D X Mark II, Mark 2, EOS 1D Mark III, Mark 3, EOS 1Ds