Next mod, Added a separate 12v/15amp DC circuit to my trailer for outside use.
I wanted a 12v DC power source to use outside under my awning next to the table. So, I made one, it involved a little drilling and some wiring. Now I can power my Ham Radio or any 12v accessories while sitting outside. Right now it’s powered by a 20Ah power station under the door side couch. I also put a port on the inside as well as a switch to turn off the outside ports. (It’s got a red led to remind me that I have it on.) I use lithium batteries and can plug a solar panel into the outside port to recharge it. But eventually when I switch my Tab over to lithium I’ll tie it all into my trailer DC power bus. I can patch it at anytime to the Trailer DC bus to either share the charge of my batteries or run the DC setup while I’m on shore power. I’ll share a couple pictures.
its a Powerpole and 12v car accessories port.
its controlled by a lighted switch just inside the door.
John, Northern California
Comments
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Nice, clean install, @TourDeForth!2019 T@B 320 S Boondock Lite; 2025 Toyota Tundra CrewMax 4x4
(Alde: 3020; Refrig: Isotherm Cruise 65 Eleg; Battery: BB 100Ah LiFePO4; Solar: Renogy 220W Portable Suitcase w/ Victron SmartSolar MPPT 75/15 Controller; Victron BMV-712 Battery Monitor w/ Shunt; Pwr Cntr: PD-4135KW2B; EMS: PI-HW30C)
Greg & Marlene (Tucson, AZ) -
Well done! I was lazy and mounted a similar port to the tongue box wired directly to the battery. Not as convenient a location as your mod.Stockton, New Jersey
2020 nuCamp T@B 320S * Jeep Wrangler
60,865 camping miles through the end of 2025 -
Nice. It will come in handy.
I put a weatherproof USB (A and C) port and a 12V SAE port to power a cooler outside. The USB port has a little spring cover that keeps them closed. It also has has a LED ring around it so you don't forget to turn it off inside. I use the switched USB port mostly to power my USB awning lights and charge/run my Bluetooth wireless speaker.

2021 T@B 320 S Boondock
2025 KZ Sportsmen 130RD
2025 Ford Ranger
The Finger Lakes of New York -
@SLJ That is nice! I plan to power my awning lights through there as well. I debated on the usb ports. After I drilled the holes I realized there is enough room to add another pair of ports and swap to a four hole panel in the future.2023 T@B 320s Boondock, 2013 Toyota Tacoma TRD 4x4 2016 Toyota Tundra 1794 4x4
John, Northern California
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