Case Relay Battery adapter compatible with cameras that use Canon Battery LP-E6. The ONsite Relay C Camera Power System from Tether Tools allows you to connect your camera to external power from the USB-C power bank, adapter in a wall outlet or other battery outlet. Perfect when filming, creating time lapse sequences or other types of photography that last for a longer period of time and cannot be interrupted by changing the battery in the camera. As a photographer, it's important to have reliab