Battery test / load test
I was reading another guys post where he's having trouble with his batteries dying after just a short time of use (its a '90 CC 36V, mine's an '87)), he was told to test each battery under a load, my question is; how do you put a load on a 6 volt battery one at a time when the motor is 36volt, plus I've read on here that you shouldn't run the motor without a load on it - can someone explain, I'm not having trouble with mine yet - but I'm sure I will ) (I'd be a little uncomfortable jacking up the rear end of that heavy sucker and flooring it, if it shook off the jack stands LOOK OUT ! ) Thanks !
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Re: Battery test / load test
Use alligator clips and clip your DVM to one battery and take a short ride while monitoring you voltage on the DVM. Repeat for the rest of the batts.
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Re: Battery test / load test
About the motor running without a load on it- Yes, you shouldn't spin a motor AT FULL SPEED without a load on it because it can self-destruct with shrapnel. You can bump the throttle for a second to verify rotation (forward or reverse) without harm.
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Re: Battery test / load test
Best way to load test is while driving the cart. Clip to one battery at a time and get a reading under acceleration and one at rest. That is a real world load test.
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Re: Battery test / load test
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Re: Battery test / load test
Or load test them with a carbon pile load tester from Northern Supply....about $69.95 plus freight.
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Re: Battery test / load test
Your cart is a free built in load tester. Hook up your DVM and drive it.
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Re: Battery test / load test
GREAT ! Learned something again thanks you all - I was thinking a "load test" would be an amp draw of the motor but now I see its a possible voltage drop on 1 or more batteries (its tricky retro-fitting my brain from servicing AC circuits in HVAC/R and food service equipment to DC golf carts - and the BLACK ground is really a struggle lol ) thanks again
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Re: Battery test / load test
Oh , and a DVM is a "digital volt meter" right ?
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