Power from house batteries
Friends-we installed two new 12 volt batteries this spring. On our cross country trip the batteries stopped functioning and we ran off shore power at RV overnight sites. I have been told the batteries powered down to under 10 volts. Why did this happen? I thought the batteries charged while the engine was running and the power light near the steps was engaged? Any help appreciated. This is a Class C RV. (Chateau) Thank you
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