This is a basic electrical tool for the automotive technician. Tests battery real condition by means of applying a 100 amp current load on the battery, similar to the starter motor current draw, and measures the voltage at the time of load. Good batteries hold up 10.2 volts and up. Also tests starter voltage at engine startup and alternator charging voltage while engine is running. Test Battery-Starting-Charging Systems with this tool effectively. Learn how to do it, will save you from a non starting vehicle down the road and a tow. Unit is well built, rugged, strong, voltmeter is accurate, big reading and scale allows reading load test volts, starting volts and charging volts by following the needle over the scale. Scale is colorful and detailed to estimate battery cranking amperes capacity according to voltage readout and a standard 100 amp current load. Electrical mechanics love this tool, one of the most important for test and maintenance. Quality tool, Recommended!Read full review
Verified purchase: Yes | Condition: Pre-owned
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