@nichutchy4 - we did the same thing. Ordered 30 feet of 10 gauge x 2 from Renogy as our controller was not mounted on the suitcase. A couple of years later we ended up replacing the wiring with marin… (View Post)
The battery switch needs to be on or the emergency break away brakes will not work in the event of a complete separation of the trailer from the TV. (View Post)
https://solarpanelsvenue.com/mixing-solar-panels/ Assuming the 100 watt panel has a lower voltage, mixing panels of different voltage will result in a lower voltage. (View Post)