Brave Little Hitachi Wand

I just read it from the Wikipedia page. Their site doesn’t have a lot of info other than a white paper

You overstate your case, several firms are already at various stages. Wright Electric is working on a >500km range passenger craft for easyJet right now. That won’t be able to fill every role, but a worthwhile number of them to be sure.

Battery electric aeroplanes aren’t as far off as you might think, but you’re technically correct that they don’t currently exist.