Starting to go through my '72 Club Car golf cart and want to do some battery testing. It seems to have no power at all but gets spurts here and there. My initial thought is the solenoids. However since we just bought it last year a systematic go through is in order. I want to check battery condition and start with the simple and obvious. It is. 36 volt system. I have a regular battery tester but it's geared for 12v, so it's just gonna show it as a bad battery regardless. I'm pulling them out one at a time. First one is showing 7.6v output. It should only be kicking out 6.3-6.5. Is there some sulfation going on or is there another reason for that high voltage? I haven't picked up a hydrometer yet to check SG. Does anybody know what the impedance should be on one of these? Finally other than load testing or discharging is there anything else I could or should do to evaluate the batteries?