how to charge a rv battery
RV Battery Converter-Chargers. The basic RV charging system is called a Converter-Charger. Its primary function is to convert 120v shore power to 12V DC power so that your battery does not need to provide DC while you are plugged in.Its secondary function is to charge the battery(s) when and if it has excess capacity.V Battery Converter-Chargers. The basic RV charging system is called a Converter-Charger. Its primary function is to convert 120v shore power to 12V DC power so that your battery does not need to provide DC while you are plugged in.