 Although all models seemed to be classified as 12–15 cwt, the standard design had a load platform which was long, while short chassis and long chassis variants were also produced, with platforms of and .Manufacture of battery-electric road vehicles seems to have ceased at around the time that the Sunbeam Trolleybus Company was sold to Guy Motors, for the goodwill of the Sunbeam battery-electric operation was bought by Hindle Smart of Manchester, makers of Helecs milk floats, in early 1949.An advert in "Commercial Motor" magazine from 1 July 1949 mentions that there was a Jen-Helecs drivers club, for drivers of Jen-Helecs, Sunbeam and Wilson Electric vehicles.