Went up this morning to check water in my batteries as I do once a month. I always check the inverter panel and the inverter was charging and said batteries were good and 13.8 volts. It is an Outback inverter. Open up the door that has 4 of the six 8-Ds in it and the top two was hot and when I took the caps off they were boiling. I did not smell any sulfur. The other four were cool and not boiling. I don't recall ever seeing this before but do usually check the water when they are charging. My volt meter read 12.8 on each battery. I did not disconnect the cables to check the voltage and there is no corrosion. Soon after, I looked at the inverter panel again and it had stopped charging and said the batteries were in good condition and was 12.6 volts. The batteries are 4 years old and in the 3 and half years I've owned the coach they have never run dry. Should I be concerned.
Sounds like there may be some internal shorting in the 2 hot batteries. I would load test each battery individually just to make sure they are all actually OK.
Sorry, not normal. I see new batteries in your future?
Russ EE
Russ, Clint Thanks,There are batteries in my past now. I disconnected the cables and put a volt meter on the two batteries. One was 10.9 volts and the other was 12.4. They both were so hot you could not hold your hand on them. By luck I decided to check on the water today and I had some help close by so I bought 6 new batteries and now have them installed. If it's not one thing it's another. Wonder what tomorrow will bring.
Hopefully a wonder filled day!
Better it happened at your shop rather than on the road. Remember meeting up around Denver on our way to the Spearfish rally? I had to add quite a few gallons to my batteries. Eventually had 3 out of 6 bad. Of course that was a good time to install the Lithiums. Last I heard Richard is enjoying them.
Forest, the minute this happen I thought of that. You had been gone a month and when you returned to the RV park your batteries had boiled. They hold a lot of water I remembered.