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...
Forum Discussion
j-d wrote:
I've been trying to follow all this. What I can actually add is that charging the battery in a fiver through the Seven-Wire from a V10 pickup takes all day, even at road speed.
What I wonder is this: Won't the truck's alternator bring the truck's battery up to charge quickly and probably first? If so, won't it then throttle down and offer decreased voltage to the Seven-Wire therefore the trailer's battery? I guess there are devices that would create a system that could recognize the truck was charged, trailer wasn't, and adjust alternator output to the trailer accordingly...?
The problem is the tiny wire that travels 20 or 30 feet to the trailer. It doesn't carry any amps. Big fat wire will. That's my take anyway.
