This equals thirty amp hours a day meaning you would need two one hundred watt panels to fully recharge your rv.
How many watt solar panel do i need for rv.
We suggest a battery bank of 800 amp hours.
If our 100w solar panel generates 70w every hour it will take a little over 17 hours to generate 1200wh 1200wh 70w.
100 watt portable solar panel.
Solar panels are sold in varying sizes but a 100 watt panel is a commonly found size particularly for rvs.
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.
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.
100 watt solar panel approximately 6 amps hour in direct summer sun no clouds here s an example of our calculation of how much the solar panels are generating to recharge our rv batteries.
This is assuming you are considering using 12 volt rv grade panels.
5 hours of direct sunlight x 6 amps generated hour 30 amp hours day.
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.