Maximum amps for testing AGM capacity?
After a winter of being very sick, and a spring of catching up on farm chores, I am finally back to being able to work on the van at least once in a blue moon. Next step, testing the 100aH Fiamm telec...
Forum Discussion
Something very important here has not been mentioned. The standard method to measure a 12V Battery is to discharge the fully charged battery at a constant rate down to 10.5 volts. If you have a 100AH battery, to measure the standard 20 hour AH rating you would apply a constant discharge of 5 amps and if the battery is 100% up to spec it will not reach 10.5V until 20 hours have passed. If you are measuring a 2 volt cell, you would draw it down to 1.75 volts.
