A slick tyre on an e-bike should increase range.
I like you thinking
Continental contact also do a ranger E bike tyres https://conti-tyres.co.uk/commuting-touring/contact-travel
Continental contact also do a ranger E bike tyres I don’t like too much tread on a bike tyre, it adds to the work load when pedalling, I always had city bikes or Hybrids with narrow semi slick tyres, never done the knobbly tyre thing.
Enyaq EV