Quote:
Originally Posted by Japper
OK, I just found out that the battery is not under load until you press the start test button which applies a load based upon the CCA (cold cranking amps) that is selected to match what the battery is rated at
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This tester is clearly marketed as a 125 amp tester. I doubt that the selection of the CCA rating affects the load that the tester actually supplies -- only the way the tester interprets the data and displays it on the 3 LEDs. But to be on the safe side, set the CCA to the lowest value anyway (200).
I recommend that you ignore the LED readout, and use the actual voltage under load, and compare it to the value for a known good battery, and keep a time history of each battery's results to see trends.