Question about Samsung PD Super Fast

if you mean hand luggage on the plane: please check with the airline!

Works, battery is 15 cm long 7 cm wide. Weight 210 grams

In terms of size and weight, yes, no problem, it can even be carried in a pocket. As for air travel, here are the restrictions: https://www.bazl.admin.ch/bazl...

Yes, I've had it in my hand luggage several times. No problem. Didn't even have to take it out.

Yes, compare here: https://ch.hama.com/tipps-und-...