canon NP-E3,CANON EOS 1D Battery
Type       Ni-MH
Capacity   1650mAh
Volt       12V
Color      Black 
Weight     340g 
Dimension  127.35x56.40x28.17mm

for canon NP-E3,CANON EOS 1D Battery
This replacement Digital Camera Battery can replace the following part number:
CANON
7084A002, NP-E3,
This replacement Digital Camera Battery is compatible with the following models:
CANON
EOS 1D, EOS 1D Mark II, EOS 1D Mark II N, EOS 1DS, EOS 1DS Mark II,