Marshall Electronics 0071-UNI-VM Quick-Change Battery Mount for IDX V-Mount

The 0071-UNI-VM is a quick-change battery adapter that mounts an IDX V-Mount battery to a Marshall monitor fitted with the quick-change base plate, letting a shooter swap batteries in seconds without unscrewing a battery door. It is part of Marshall's quick-change battery system, which offers matching adapters for Canon, Nikon, Panasonic, Sony and JVC battery formats.

The battery itself is not included; the adapter only provides the mechanical and electrical connection between the V-Mount cell and the monitor's base plate.