Abstract: A lease management method of an electric power motion apparatus includes acquiring location information, an advancement direction and a battery state of the electric power motion apparatus; additionally adjusting the advancement direction of the electric power motion apparatus to face towards the lease station such that the electric power motion apparatus faces towards the lease station based on normal adjustment and control if the electric power motion apparatus is located outside a lease range of a lease station; and additionally controlling the electric power motion apparatus to decelerate, and additionally adjusting the advancement direction of the electric power motion apparatus to face towards the lease station such that the electric power motion apparatus advances towards the lease station based on normal adjustment and control if a remaining power amount of the electric power motion apparatus approaches a power amount for returning to the lease station.

Abstract: Disclosed are a propelling module and a surfing apparatus having the same. The propelling module includes a module housing, a rotating device, a transmission shaft and a propeller; wherein the module housing is provided with a sealed chamber, the propeller is arranged outside the sealed chamber, the rotating device is arranged inside the sealed chamber, one end of the transmission shaft is connected to the rotating device, the other end of the transmission shaft penetrates through a side wall of the sealed chamber and extends to the exterior of the sealed chamber, and is connected to the propeller; the module housing is provided with a power connection member, and the rotating device is electrically connected to the power connection member, and is configured to be electrically connected to an external device via the power connection member; and the module housing is further provided with a water passage, and the propeller is arranged in the water passage.

Abstract: A motorized hydrofoil apparatus may include a sailboard having a top surface and a bottom surface; a first hydrofoil assembly; a pivotable second hydrofoil attached to a second support unit; and a propulsion system. The hydrofoil apparatus may also include one or more sensing units disposed on predetermined locations on the first support unit to operatively communicate to the second hydrofoil to automatically generate corrective responses to various destabilizing hydrodynamic effects to stabilize the hydrofoil apparatus.