How To Charge Starter Battery From House Battery And Solar Panel System for RV, Van and Camper
HOW TO CHARGE THE STARTING BATTERY FROM THE HOUSE SOLAR PANELS (OR HOUSE BATTERIES) OF AN RV Ok, so we're successfully keeping the house batteries charged up using the solar panels. Now, how can the starting battery be kept charged when the RV or van is sitting unused for some time, or to prevent accidentally discharging the battery? The solution is a 12V to 12V DC-DC charger that goes from the house batteries to the starter battery. If there's already a 12V-12V DC-DC charger
