If you are touring on an E-Bike go out to your local Harley, Honda or other motorsickle dealership and get yourself one of them touring motorsickles. One of the managers at another store in my company has one from BMW and he rides all the dang time and camps and does all that fun stuff.

I find electric bikes to be a bad bicycle and a bad motorcycle all rolled into one heavy package for a bicycle. Putting touring loads on it sound even worse. You might as well make the rear wheel solid with no spokes because of all that weight on it. I have seen a very nicely built e-bike that keeps breaking spokes without a touring load.