Grown-up Scooters
These are the (electric, of course; ) scooters that you can ride standing up...and some of them have seats that can be added or removed as you like.
ZAP Personal Electric ScooterRazor E300 Electric Scooter (Blue)Razor E300S Seated Electric Scooter
ZAP Personal Electric Scooter

300W, 3-wheel scooter (for stability), max 12mph, 12mi range, has an air-filled tire in the front and no-flats on the back. ...
Razor E300 Electric Scooter (Blue)
$185.99
This is the lowest-end SRO (that's standing room only, you guessed it; ) scooter I'd recommend, and only for lightweight adult...
Razor E300S Seated Electric Scooter
$204.99
This is the same as the SRO scooter pictured on the left, but with a seat. I think this is too heavy to carry around, but you...
Razor E500S Seated Electric ScooterQelectric Gelato Electric Scooter (Silver)
Razor E500S Seated Electric Scooter
Qelectric Gelato Electric Scooter (Silver)

This scooter from Q Electric has a 350W hub motor, max 19mph and 20 mile range. Fine EV made in the UK. Free shipping in the...