DieHard Battery Charger and Engine Starter *Automatic or Manual: Automatic *Volts: 6 and 12 volt *Amps: 250 amps *Product Type: Battery Charger/Engine Starter *Color: Black *Battery Test Function: No *UL Listed: Yes *Energy Star Certified:Yes *CSA Listed: No *Handheld or Wheels: Wheels *ETL Listed: No