http://electricridereview.com/current-drives/electrafin/ The ElectraFin offers Paddle Assist support for stand-up paddle boarding with electric prop power. It’s an electric prop designed to convert most stand-up paddle boards into an “ESUP” capable of ~5 mph speeds. Extremely quiet operation, highly adjustable speed settings (1-99), reverse mode, wireless remote that attaches directly to your paddle oar. Works with standard US fin boxes or slide-in designs (with adapter), built with marine parts including stainless steel screws sacrificial anode plate, solid one year warranty. Lots of cool accessories including a solar panel charger, electric air pump (for inflatable SUPs) and a deck seat.
The ElectraFin is an electric motor kit designed to convert most stand up paddle boards (SUP’s) into ESUP’s offering 5 mph top speeds with a 2 hour battery you can use it to fight wind, travel further or keep up with a more advanced friend. Standup paddle boards can be used standing or seated and Current Drives offers a selection of folding chair attachments for the deck of their inflatable board. In order to use the Electra Fin you just need to have an 8″ fin box or use one of their adapters.