Looks fun for sure. Did you have any back up plans in case it stop running out in the middle?
I had a freind who did this and his battery went dead and he was far from shore. He just about froze to death. First he went by him self. There was nobody on shore to go get help. He sat up on the ski the best he could and waited. Finally some one heard him screaming and put a boat in and went and got him.
When I take mine out in the cold, I have the Seadoo ready to go in just in case we need it.
Dale