I have a 24 volt system using a Magnum Energy Inverter Charger. The system uses 2 year old (20 US-1800-XC2) batteries setup in series parallel (5 strings of 4). Normally when charging using the Inverter/Charger, I can charge at 100amps or so for a couple hours to top off the system, the charge rate would slowly drop to 10 amps or so, at about 30.5volts. Now the charge rate does not drop, it will stay at 100 for as long as I run the charger, the batteries vigorously bubble, water is still kept full. The SG seems a little low on all the cells, but all seem very close. Any ideas what is happening with the batteries? I assume they need to be changed soon.
Thanks,
Harold
Thanks,
Harold
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