Power Inverter Shenanigans
Power Inverters are inefficient beasts. Even when they aren't powering anything they are sucking precious battery amp hours from you. To combat this, I took a readily available power inverter and took it apart. I was able to build a remote switch and remote status button that I wired into the cabin of the trailer. Now - when you want to use the 120 volt plugs in the trailer, you press a button in the cabin and wait for the yellow light. Now you can plug in your crappy 120 volt electronic stuff. When you are done, you press the button again and wait for the yellow light to go off. This saves epic battery power. Easy squeazy-lemon peazy.