How Many Watt Solar Panel Do I Need For Rv

This is also assuming of course you have a lot of battery power too.

How many watt solar panel do i need for rv.

100 watt portable solar panel. Tips for estimating rv solar panel needs although actual output may vary based on the factors mentioned above you can get yourself to a ballpark figure using a couple of tips. That panel is rated at 100 watts at peak efficiency meaning on a 78 degree cloudless day at solar noon on the equator during the equinox. We suggest a battery bank of 800 amp hours.

This equals thirty amp hours a day meaning you would need two one hundred watt panels to fully recharge your rv. 5 hours of direct sunlight x 6 amps generated hour 30 amp hours day. Solar panels are sold in varying sizes but a 100 watt panel is a commonly found size particularly for rvs. If our 100w solar panel generates 70w every hour it will take a little over 17 hours to generate 1200wh 1200wh 70w.

As we talked about above a 12v 100ah battery is 1200wh 12 100. If you have a rough idea of your power needs you need to check a solar panel s spec sheet and look for the watt rating the peak power amps and peak power volts. Most boondockers have between 200 to 400 amp hour battery banks. The general rule of thumb is that a 100 watt solar panel can produce about 30 amp hours per day so you can use this guideline to determine about how many panels you need.

We can also think about it in watt hours.