All that juice is poured into a 2kg motor that drives a compact propeller. This propeller is housed in a slot on the kayak’s deck, replacing the usual foot- pedal gear train. Even before motors ...

The Fissot MFK003 kayak has built-in rod holders, storage space for fish you’ve caught and a 480W motor that has a top speed of 12km/h. It can be bought through Alibaba, but prices vary.