Battery Charging Question?????????

BigRuss1969

I am new to golf carts and bought an old Melex that runs fine. I am unsure about the battery health. I have a Lestronic II charger that will charge the batteries but never shuts off. I bought a hydrometer and it indicates that the batteries are fine but the charge doesn't last long and when i charge for a few hours the batteries boil/gurgle. What do you recommend??? Any advice would be appreciated.

BGW

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sunking

Using a hydrometer is the most accurate method of measuring the state of charge so kuddos for that. So if you are certain that each battery is fully charged with a hydrometer indicates to me your batteries are just old and the capacity has degraded.

Are you measuring each individual cell within a battery?
Is there one battery or any of the cell(s) reading low while all the others read fully charged?

scottyb

Within about 10 hours of charging you will get Falsely high readings both in voltage and Specific Gravity... I think this is why you think your readings are okay when they may not be... also write them all down ~ any variation over 40 pts between cells indicates a weakness .... I hope this helps