This NRG Cigarette Plug Adapter Cord is a power adapter that allows Panasonic camcorders using BP-70 or BP-80 style batteries to receive power from a cigarette lighter receptacle, such as the type found in an automobile. Its high-efficiency internal power converter accepts inputs from 9-15V. This accessory is ideal for documenting long car trips, allowing you to save the camcorder's batteries for other locations.