I decided to go on a trip to Stanwood last weekend to visit my sister. The trip was almost all freeway, so it was a good opportunity to see how my range is at freeway speed. I was driving mostly 65-70MPH, and it is a distance of 40 miles from Monroe to Stanwood. When I arrived, I had used 45% of my battery. With 55% still left I would have no problem making it back. I plugged into her 110 outlet while I was visiting to put a little back in while I was there. I figure that one hour using 110 puts 5 miles back into the pack. If I did not plug in my battery would have run down to about 10% when I got home. It is not good to run it down that far. I try to never go less than 20% left, and I usually never get it below 50% with my normal driving.
I am still planning on taking a trip to the ocean soon. I have found an RV park that has 50 AMP service that is about at the 80 mile distance along the trip where I can plug in. It is a 160 mile trip so that is a perfect half way point within my range. I still need to find a place when I get there to plug in though.