Canon LP-E19 Battery Pack (2700mAh), 1169C002

Canon LP-E19 Overview
The LP-E19 Battery Pack from Canon is a rechargeable lithium-ion battery that is compatible with the EOS-1DX Mark II. The Battery Pack also communicates with this camera so that you can check the remaining charge, shutter count, and recharge performance in the camera’s power source info screen.

Compatibility
EOS-1D X Mark II