*Fixed current load:50A,100A,125Amps *Check 6-12Volt battery with max. capacity 1000CCA(Ah) *checking the auto battery with % indicating for its power capacity more precisely & wide-scope *Charging Voltage: 16-Vlot max. *Max Capacity of battery to be tested:1,000 Ah *50/100/200/400/600/800/1000 Ah indication at meter *40% / 60% / 80% & full capacity indicated at meter for battery power remaining *Quick test within 10s *Accuracy for Battery voltage test ≤2.0% *Meter is color coded for simple pass or fall diagnosis *Single-way safe load switch with self-return *Heavy duty clamps *Coherer-plated steel case *Dimensions & weight:285(L)*110(W)*70(H), 1.2kgs approx