One of those facebook things that popped up. This looks like it would *potentially* be ideal for a tear drop or tiny camper, but the website doesn't list a price or weight yet. 4,000 BTUs, 8-hour run time.
Might be worth following the website to see the Big Reveal on May 12.
Wave Portable Air conditioner: ecoflow.com/us/wave-portable-air-conditioner
(Weigh in if you're already familiar with the ECO Flow power stations)