If you like to camp out away from it all, not in a campground, then you know the house batteries in your motorhome are one of the most important things you must watch, especially if you are running off a small battery bank. There are ways to save power but one of the most effective ways is to change out your existing incandescent lights to LED lights. The LED lights require very little power to operate and will save your batteries from being drained. You may think this could not add up to much, so let’s put forward an example and see how much power can be saved. If your motorhome has 20 incandescent bulbs inside that run off 12 volt and were to have them on all at the same time, you would be drawing close to 20 amps from your battery. In just a couple of hours your single house battery would be completely dead.
So if you were to go and replace all the incandescent interior bulbs with LED lights that each draw 180 milli amps, your total power draw would go down to 3.5 amps which is 5 times less power than your incandescent bulbs. As a test replace the bulbs in the fixtures you use the most. The cost of LED lights are not cheap, so this would give you the opportunity to see how much battery power you can really save. Most RV part stores will sell LED lights that will work in your RV fixtures.