• Tests 12V batteries, alternators and starters • Tests batteries to 1000 CCA • Color-coded, temperature compensated pass/fail bands on voltmeter for accurate assessment • Separate ammeter to enable precise loading of battery • Heavy-duty, color-coded clamps for secure battery connections • Durable steel case • Voltage:12V • Load: 0-500Amps • Tests: Battery State of Charge, Battery Load Test, Alternator Output Test, Starter Draw Test • Cooling Method: Convection • Display: Ammeter + Voltmeter • Feedback: Audible Alarm Signals End of Load Test • Replaces: ATD-5492