The FJC 45118 Carbon Pile Battery Load Tester features a 1000 amp capacity for testing Heavy Duty batteries. features include solid copper cables, heavy duty clamps and it has separate volt and amp meters for ease of use and accuracy. Load test 6 Volt, 12 Volt and 24 Volt batteries, alternators, regulators and starters up to 1000 AMPS. Test batteries up to 2000 cold cranking amps. Separate Volt and Amp meters. 56" in solid copper cables with Heavy Duty clamps