Charles Coushaine sharaes how he added a USB port to the outside of his Ford F-550 and Chalet DS116RB rig.
QC 3.0 USB Outlet 12V Boat Marine Waterproof Cigarette
Installing RV USB Plugs
Tested: Happier Camper HC1 Studio Review
12V USB Outlet Wire USB Charger Multi Port, Dual PD3.0 USB-C and
USB charging ports Motorhome Facts Forum
Globe 4-Outlet and 2 USB Port Smart Wifi Power Bar with Surge
How to Install a USB Charger Port in your RV or Camper - The
Smart Battery Box Outdoor Portable Multi functional 50amp - Temu
Bearifi Outdoor AC High Power 802.11ac Dual Band USB Wi-Fi
Dual USB Charging Socket RV Modification
Adding a Dual Battery Setup for Truck Camping, Vanlife, or Other
Camper Van, Motorhome 230V + 12V + USB Panel – Camper Interiors
Adding A USB Port To A Camper Exterior
Adding a USB Port to the Outside of an RV
Rugged Luxury: Meet the Black Series HQ19 Travel Trailer