The seller is Electric Bike Conversions Ltd who are out of business. Just had to cancel my Paypal payment to them when I tried to buy it on their website 6 days ago.If you don't mind paying for one with 100% mark up this is a 36v Kt.
https://www.ebay.co.uk/itm/250w-Electric-Bike-Brushless-Motor-Bicycle-Scooter-Speed-Controller-Parts-36V/113204735323?hash=item1a5b872d5b:g:fBoAAOSwc~xbIPjc