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02-15-2021, 03:53 AM | #1 |
Not Yet Wild
Join Date: Aug 2012
Posts: 30
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How do I determine the aH capacity of my 8 volt batteries from Battery Source?
I am currently using 3 year old lead acid batteries, 6 8-volt from Battery Source. How do I determine how many aH these batteries are? I called Battery Source and when they looked it up, the answer they gave me was not in amp hours, it was in capacity and it was 200 per battery.
After my alltrax controller died, I Upgraded to a Curtis controller and HPEVS AC motor. However, when I floor it, the voltage momentarily drops to 39 volts and the motor feels like it’s cutting out/shudders. I have taken care of my batteries, never allowed to get low on water, once while at a shop they discharged low enough that the cart charger wouldn’t kick on and I had to use a car charger to charge them 2 at a time. I ordered a battery desulfator from Battery Extra https://www.recovermybatteries.com/ex02-12-48-400.html but it has a switch for packs up to 500 ah or 1500 ah so I need to figure out exactly what mine are, or at least what they were when they were new. Any suggestions? Thanks, Zach |
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02-15-2021, 10:25 AM | #2 |
Gone Wild
Join Date: Apr 2020
Location: Hurricane, Utah
Posts: 2,798
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Re: How do I determine the aH capacity of my 8 volt batteries from Battery Source?
I can't help you with your question (I'm sorry) but will be interested in your results from the battery desulfator. I have a few vehicle batteries that have sulfated but have never heard anything promising from the desulfator units; please post up your results after you try this.
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02-15-2021, 11:10 AM | #3 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: How do I determine the aH capacity of my 8 volt batteries from Battery Source?
They’re less than 500Ah I can guarantee that. Typical GC8V batteries will be in the 150 to 170Ah range.
What’s the brand and model number of the battery? Are there any other markings on the label? There is a rough conversion that can be done with the RC rating, but it will not be totally accurate. The thing to remember with lead acid batteries is they have a finite number of times they can be charged, and every charge cycle decreases their capacity over time. The lead plates are consumed slowly, which leads to reduction in capacity. This is part of the normal process of battery aging. The reduced capacity also means reduced output, especially when upgrading to higher power controller/motor combos which pull more amps than a stock setup. My opinion, those batteries are aged beyond your needed usage, and you will be better off to replace the pack now with a set of quality higher output batteries. Your cart performance will just suffer in the mean time even if you do get some marginally better performance from using a desulfator. |
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