Charging RV batteries with TV
In a pinch (generator, solar, goes south), what's the best/safest way to charge 1 or 2 RV batteries with a truck's alternator? Simply parallel the RV batteries with the truck's battery with a pai...
Forum Discussion
Robin1953 wrote:I would assume the charge current is much, much lower using this method vs. directly charging a battery with large gauge jumper cables. The wire in these wiring harnesses use relatively small gauge wire, not to mention the extra resistance incurred because of the long distance (probably more than 20 ft.) from the TV's alternator to the TT's battery.jalichty wrote:I did that when I had my F350. Didn't take long to run the charge back up on the TT battery.
At one point in time, quite a while ago, I talked to a guy who was running his TV and had plugged in his FW to charge it. I have not done that, but wondered if it would work since the truck does charge the battery as you are traveling down the road. Maybe that would work for you. If it would, you wouldn't have to worry about jumping from the truck battery to the FW battery.
