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Old 08-11-2022, 09:15 AM   #8
scottyb
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Join Date: Dec 2007
Location: Southern California
Posts: 73,419
Default Re: 1988 36v marathon HOT battery

Welcome to the electric vehicle world. The learning curve can be strict schoolmaster. There are a few rules that will apply to battery health, performance, and maintenance that will apply to the cart and your wallet.

1. When mixing batteries be sure they are all of the voltage, amperage size, and condition.
2. If new batteries are added to old batteries expect the new batteries to degrade to match the old batteries in a months not years.
3. Golf cart batteries (wet cell) require a bulk charge rate of 10% of their capacity. For 6v this is about 20-25 amps. Use of a smaller charger will allow rapid sulfation as the heavy elements will be left separated and stranded near the bottom of the battery where they will permanently attach themselves to the plates never to be used again
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