Users are able to purchase a Battery Pack specifically designed for use with the RoadGear. This will allow users to use their RoadGear for up to 4 hours in an area without any AC inlet. This battery pack should be used in conjunction with a DC-to-DC converter to convert the current to a safe level for use with the RoadGear. Also featued on the battery pack is a light, offering users light in dark areas. Phonic DC power supply For use with RoadGear portable PA units Includes light for extra illumination Required Phonic's DC-to-DC adapter