Charles Coushaine sharaes how he added a USB port to the outside of his Ford F-550 and Chalet DS116RB rig.
Adding A USB Port To A Camper Exterior
Little Wonders: 15 Tiny Camping Trailers
Jensen USB C Hub with 4 USB A Outputs
How to Install a USB Charger Port in your RV or Camper - The
How to fit an external TV antenna socket - Practical Motorhome
AUSRV X15 Overland Travel Trailer
System for camper trailer with solar power. Need to power LED
Adding A USB Port To A Camper Exterior
Bluehive USB Type-C to HDMI Adapter for Select Apple & Android
Adding USB charging ports and 12v outlets to an RV