Determining AH rating of aging batteries
My Trojan 125's are almost 5 years old now, when they were new they were rated at 240 Ah. Now my trimetric is showing 70% at 12.1 volts which I know is wrong. So how can I determine the true Ah rati...
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OK, checked SG this morning, 1 cell is quite a bit lower than the rest, I'll equalize and run the test again reading SG. My hydrometer is not the greatest, I really need to get a better one.
