1. Compatible with battery models: 

Canon LP-E4 LP-E4N

2. Compatible with charger models: 

Canon LC-E4 LC-E4N

3. Compatible with camera & camcorder models:

Canon EOS 1D C 

Canon EOS 1D X

Canon EOS 1D X Mark II, Mark 2

Canon EOS 1D Mark III, Mark 3 

Canon EOS 1Ds Mark III, Mark 3 

Canon EOS 1D Mark IV, Mark 4