Charge Batteries by Idling Tow Vehicle?
This may be a dumb question, but since every tow vehicle has a generator which is connected to the batteries and they charge while driving, how about hooking up and charging at the campsite while idli...
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Usually, the tow vehicle will already be charging the trailer battery(s) when connected via the 7 (or 6 pole) plug. YOUR vehicle will determine if the tow vehicle 12V supply is powered while the ignition is in the off position.
Tow vehicle trailer plugs are usually fused or have a circuit breaker at 30A.
I have left my truck plugged in for awhile before bedtime to assist the trailer battery during colder camping while running the propane heater. I've also hooked a car to the trailer using jumper cables and left the car idling overnight to keep the furnace running when power was lost in the trailer park (and it was -20*F).
Tow vehicle trailer plugs are usually fused or have a circuit breaker at 30A.
I have left my truck plugged in for awhile before bedtime to assist the trailer battery during colder camping while running the propane heater. I've also hooked a car to the trailer using jumper cables and left the car idling overnight to keep the furnace running when power was lost in the trailer park (and it was -20*F).
