Tests 6 and 12 volt batteries up to 1000 cold cranking amps - for conventional and maintenance-free batteries in cars, light trucks, lawn tractors, and RVs.
Tester is accurate and dependable. Features heavy-duty, shock-resistant ventilated cover and heavy-duty, color-coded copper-plated clamps. Easy to use: completely portable - external power source not required. Complete test done in 10 seconds.
Tests:
- State of charge
- Cranking ability
- Charging system output
- Starter motor draw
100 amp.