Kastar Hi-Quality Replacement Digital Camera Battery for Canon EOS 1D Mark III, EOS-1D Mark IV, EOS 1Ds Mark III, EOS 1D C, EOS 1D X, EOS 1D X Mark II Cameras, Compatible Part Numbers: LP-E4

Kastar Replacement Battery for Canon LP-E4 LP-E4N BatteryBattery Type: Lithium-Ion; Battery Voltage: 11.1VBattery Capacity: 4400mAhPackage Includes: 1 BatteryCompatible with: Canon EOS 1D C, EOS 1D X, EOS 1D X Mark II, EOS 1D Mark III, Mark 3, EOS 1Ds Mark III, Mark 3, EOS 1D Mark IV, Mark 4 Cameras