The BK Precision Model 1680 DC Power Supply has a regulated output of 13.8 volts DC, which is the same voltage as an automotive electrical system when the engine is running and the battery is charging. Thus, it is ideal for powering automotive accessories when removed from the vehicle. Applications include displaying, demonstrating, and servicing of electronic automotive equipment such as stereo sound systems, cellular telephones, CB radios, mobile two-way radios, and vehicular alarm systems. The 4-amp continuous and 6-amp peak output current should be sufficient for all such devices except high power sound systems and medium or high power two-way radios.