Parasitic Draw on RV?
I am getting ready to add a small solar system to the top of my 5er to keep the batteries topped off when we leave the camper at the lake for extended periods. My wife and I generally pull the camper ...
Forum Discussion
This dude measured 51AH down in three days leaving everything off except the fridge on gas.
The fridge draws 0.5amps when the burner is lit, and the whole trailer pulls 0.3a all the time besides, so with the burner , that makes 0.8amps the fridge cycles on and off all day--in my case it was on about 2/3 the time.
So in 24 hours, 2/3 of that is 16 hours at 0.8 = 12.8 AH, and
8 hours of 0.3 a is another 2.4 AH total =15.2AH so that cones out about right. I guess the fridge was on a little more than 2/3 the time to make it come out to 17AH per day.
So, how much solar will pull in 17AH per day? That depends on so many things. a 100w panel flat on the roof could do it easily on any nice day. What happens on not so nice days? Now you get in to the requirement to have enough battery bank to get you by until the sun comes out again.
The fridge draws 0.5amps when the burner is lit, and the whole trailer pulls 0.3a all the time besides, so with the burner , that makes 0.8amps the fridge cycles on and off all day--in my case it was on about 2/3 the time.
So in 24 hours, 2/3 of that is 16 hours at 0.8 = 12.8 AH, and
8 hours of 0.3 a is another 2.4 AH total =15.2AH so that cones out about right. I guess the fridge was on a little more than 2/3 the time to make it come out to 17AH per day.
So, how much solar will pull in 17AH per day? That depends on so many things. a 100w panel flat on the roof could do it easily on any nice day. What happens on not so nice days? Now you get in to the requirement to have enough battery bank to get you by until the sun comes out again.
