The ability to charge quickly while not shortening the battery lifespan would be cool! It would be nice for cars and also the new ultralight electric airplanes like the Aerolite EV-103, they have a limited flight-time of about 30mins so a fast charge would make them more fun... I’d buy one but I have a rule, I don’t fly any plane that I outweigh.... I’m on a diet :-) see below for a short vid about this plane... standard controls, if you can fly a simple plane like a 152 then this is second-nature..
https://www.youtube.com/watch?v=DIaD71KOAdU
In the Future, ALL aircraft will be self-flying. Total AI control.................