Cold Cranking Amps Calculator
Cold Cranking Amps Calculator . It means multiplying the ah value with a constant 7.5 to get the equivalent cca value. For example, you need to calculate the amp hours in a 740 cca battery. BT100 Schumacher 6/12V Battery Load Tester 1000 Cranking Amps from www.tradetools.com Ever since cadillac invented the starter motor in 1912, car mechanics have explored ways to measure cold cranking amps (cca). For 200 ampere hours, the cca rating will be 1450. The cranking amp test has the same conditions as cold cranking amps but performed at 32°f (0°c).