This is the equivalent Canon NP-E3 battery  for your  EOS-1D MKII, EOS-1Ds, EOS-1D camera

 

Outline Model Type Capacity Price
Canon NP-E3 EOS-1D MKII,EOS-1Ds,EOS-1D Digital Camera Battery BNH252
(Canon NP-E3)		 NiMH 12v
2200mAh		 $67.54Cdn
($61US)