Just in case you haven't already discovered them:
Fully charged: Robert Llewellyn’s channel about EVs, and clean energy
https://www.youtube.com/c/fullychargedshow
Battery life: a German blogger and ID3 enthusiast
https://www.youtube.com/c/BatteryLife
Bjorn Nyland: a Swedish EV blogger
https://www.youtube.com/user/bjornnyland
Plug Life Television; a Scottish battery scientist
https://www.youtube.com/c/PlugLifeTelevision