But a Steam deck might also just last 3 hours playing slightly more intense games, and there are plenty of flights in the 10-16h category that none of those devices could easily make it through. And until all planes on those routes have power outlets for every seat, Powerbanks are by far the best option.

Using a Powerbank also doesn’t impact any other passengers, as opposed to smoking, fireworks, or any other grand example you might come up with. Cause let’s be honest, the chance of a Powerbank catching on fire these days is very very low

And I can also tell you from experience, most batteries aren’t nearly as much of a fire hazard as you seem to believe, speaking as someone who’s been disappointed plenty of times after poking/shorting/overcharging batteries for fun

You also have Zotter in Austria

https://www.zotter.at/en/

With quite a few Fair Trade/Organic certifications https://www.zotter.at/en/zotter-experience-world/philosophy