Quote:
Originally Posted by Fairtax4me
What year is the cart? What Charger do you have?
55V during charging is actually kinda low. Most 48v chargers are capable of bringing the pack up to 65V during charging, or more if necessary, in order to obtain a full charge. The voltage drops back down after the charger turns off and should settle to around 52-54V after 12 hours. The high voltage isn't anything to worry about.
The OBC is normally supposed to time out the charger at 16 hours. You should try resetting the OBC and charge again to make sure it turns the charger off. If it does not, the OBC failed while you were gone and is the reason why the batteries cooked dry. Fix the OBC issue before installing a new set of batteries.
If the batteries are still out-gassing after several hours they're toast. Some of the plates have arced to their respective neighbors internally and now have small areas of electrical conductivity between them. They're moving electrical current all the time and are slowly discharging themselves.
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Thanks for your response!
Its a 1999 Club Car DS Series cart. Its a has a Club Car Power Drive 17935 charger.
I have tried resetting the OBC. After refilling my batteries with distilled water I reset the OBC and then plugged it in to try and charge. The last 2 times I've tried to use it, it has continued pushing power to the battery pack even after 24hrs (at which point I unplugged it).
I noticed some of the rotten egg smell immediately after charging the batteries (I took it for a spin to the grocery store and back to see if they held a charge). That was Saturday afternoon. Monday afternoon my wife called to tell me about a smell in the garage, when I got home there was a really strong smell from the garage where the cart is housed. So it had been 48hrs since the cart was last charged and it was still emitting H2S.