Your RV will have two battery disconnect switches, one for the chassis and one for your coach.
The coach battery will work anything with your 12 volt system inside your coach (interior lights, fresh water pump, etc). When leaving for the day, instead of turning off each individual light and so forth, you can turn off the coach battery switch and everything will go off at once.
You have the same option for your chassis. This will eliminate battery drain. To learn more about your RV batteries, watch the video tutorial.
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