surely the future of caravans/campers is the have onboard batteries that feed the towing car. I drive 1000km so rarely I'd be happy to tow a small trailer that

surely the future of caravans/campers is the have onboard batteries that feed the towing car. I drive 1000km so rarely I'd be happy to tow a small trailer that's simply an extended range battery that you can hire for the journey.