OTC 100 Amp Battery Tester OT3180

Tests batteries on or off the car in just 10 seconds. Convenient, portable size and easy-to-read scales.
Features and Benefits.
Heavy-duty copper-plated clamps, 100 amp load capacity 0-16 volt range.
Load safety switch prevents arcing.
Heavy-duty, chrome-plated, ventilated steel case.
Works on both 6V and 12V batteries.
Ceramic insulator.
s Determines state of charge, cranking and charging volts.
Determines good/bad status.
Extra large display with zero adjust.