What if you add some sensors that react to the headlights for example or some other smarter trigger, so the battery wold keep more power, and less light pollution, or maybe, some low level light to keep the road outdrawn and pervs away.

Fatal flaw: Most hikers only deploy their tents at night when they go to sleep and there is no sunlight. Unless you are doing campground camping and leave your tent up during the day of course. Then you would have to leave your gadgets unattended though during your day trips.