This unit is for use with Models 6075, 6075CB & 6075S Bus Bar. 300 Ampinsulated safety clamps when used with 6075. Automatic with 3 settings:Flooded, AGM and Manual. Two output settings 60A and 30A Analog Meter shows voltage and current Ammeter: 0-100 ADC Voltmeter: 11-17 VDC 3 LED Indicators showing charging status Insulated clamps Dimensions: 16″ x 19″ x 16″ Weight: 40 lbs Warranty: 1 year Charges 1-20, 12 Volt batteries