I should be asking what kind of wind turbine it is. There are mainly doubly-fed wind turbines and direct-drive wind turbines. The former requires a gearbox to increase the speed. When the generator speed reaches a certain level, it can be connected to the grid to generate electricity. The latter does not require a gearbox and mainly relies on multiple poles. Logarithmic realization of the process of generating electricity at low speed!
Long-shaped power bank. The shape of the wind leaf power generator is a long strip, which is very easy to carry and install on an electric bicycle. The wind leaf power generator does not require sunlight. When the blades are unfolded in a windy place, it can generate electricity and store the electricity on its own. It has a lithium battery that can be connected to charge electrical equipment after folding the blades.