Full 125 amp load tests 6 and 12 volt batteries, alternators and starters on all types of vehicles. Durable and built for safety. Recessed meter helps protect this hand-held tester with 300-amp jaws and side terminal adapters. Load: 125 A, Voltmeter: 0-16 Volts DC, Leads: 2' 14/2, Clamps: 300 A, Weight: 4 lbs