Carbon pile load tester for 6/12/24V lead acid batteries up to 2000CCA, 320Ah. Adjustable carbon pile 0-1000A. Max load time 20s, cool down 2min, test time buzzer after 15s. Cables 1400mm, solid die-cast brass clamps. For variable test load on 6/12/24V batteries. Not ECE-approved, for professional/diagnostic use only.