Small solar charger system...
I am interested in using a basic solar panel with my camper to charge one or two 12V batteries. I would want to be able to run the water pump, a light or two and a 12V fan. Any suggestions of how to a...
Forum Discussion
Hi oakmandan,
You have to do an energy audit. There is one page on the spreadsheet to help you do that.
Solar for RV's is more often thought of as battery charging rather than directly running anything.
Let's take the water pump as an example. It may draw as much as 8 amps. But..........in 20 minutes of running it would empty most folks fresh water tank. That would be about 2.5 amp-hours of power. So in a day it may consume far less power than an 1141 bulb--which might be on for 2 or 3 hours.
You have to do an energy audit. There is one page on the spreadsheet to help you do that.
Solar for RV's is more often thought of as battery charging rather than directly running anything.
Let's take the water pump as an example. It may draw as much as 8 amps. But..........in 20 minutes of running it would empty most folks fresh water tank. That would be about 2.5 amp-hours of power. So in a day it may consume far less power than an 1141 bulb--which might be on for 2 or 3 hours.
oakmandan wrote:
Thanks for the info.... I though am a bit lost. How do I know how big of a solar panel I need for very basic use....light, fan, waterpump ?
