Ride-on mower companies are entering the electric space - Ryobi and Troy-Bilt have consumer-level options, Cub Cadet have a prosumer/light pro model (RZT S Zero

Ride-on mower companies are entering the electric space - Ryobi and Troy-Bilt have consumer-level options, Cub Cadet have a prosumer/light pro model (RZT S Zero), and Mean Green make a full line of commercial grade electric mowers. Electric chainsaws have been a thing for years and have moved from the trimmer size space to the prosumer/light pro space (see the Husqvarna 536Li XP). Hoover make a full sized appearance canister/upright hybrid vacuum (Air Cordless Lift). In this space, though, I think the prevalence of smaller stick-style cordless vacuums is because the technology enables them rather than because the technology can't be scaled up. The Dyson V6/V7/V8/V10 models aren't great in terms of quality IMO but are very convenient and popular and the V10 is more than sufficient for home vacuuming tasks.