An alternative to Canon's own NP-E3 battery for the Canon 1D and 1Ds series of cameras at a considerable savings. It features 100% compatibility with the manufacturer's original equipment, is rechargeable up to 1,000 times and has a one-year limited warranty.
It is compatible with the following camera models:
EOS 1Ds Mark II, EOS 1Ds, EOS 1D, EOS 1D Mark II.