I ran across these setups today. https://www.homedepot.com/p/NATURE-POWER-110-Watt-Polycrystalline-Solar-Panel-with-11-Amp-Charge-Controller-53000/311140816
I'm curious. Could a person use two of these together on an RV for 220 Watts, or three or four of them, without having to buy a new...