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04-07-2019, 01:07 PM
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#1 |
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Not Yet Wild
Join Date: Sep 2016
Location: Runaway Bay, TX
Posts: 17
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Batteies
I have 36v cart, batteries 3 years old, fully charged battery meter drops 3 bars within 30min, each one showing 6.4v, all together 38.1v, with charger plugged in 42v, bought load meter all batteries show good, so why are they depleting so fast? any ideals would be appreciated.
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04-07-2019, 02:04 PM
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#2 |
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Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Batteies
The handheld battery testers are no match for the capacity of a golf cart battery. It can only identify a "completely wasted" battery with major internal problem. Handheld meter may draw 100a for 15 seconds (and then it begins overheating). Golf batteries need a tester that can draw 75a indefinitely (2 hours would be a very good test score). See where the problem with the handheld tester is?
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04-07-2019, 02:08 PM
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#3 |
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Not Yet Wild
Join Date: Sep 2016
Location: Runaway Bay, TX
Posts: 17
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Re: Batteies
ok so how do I test the battries, one of them has to be bad?
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04-07-2019, 02:11 PM
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#4 |
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Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Batteies
The cart is the best battery discharge tester there is, and you already own it. Drive till the batteries are down on power, then clip meter leads to each individual battery, one by one and drive more while watching voltage. The ones with the lowest voltage are the biggest problem.
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04-07-2019, 02:13 PM
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#5 |
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Not Yet Wild
Join Date: Sep 2016
Location: Runaway Bay, TX
Posts: 17
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Re: Batteies
ok I will give it a try.
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04-07-2019, 02:14 PM
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#6 |
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Gone Mad
 Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Batteies
Disregard. Leap-frogged.
Connect a handheld multimeter to each battery and drive up a steep hill. Repeat for each battery. Best load test. |
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| charging problem |
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