Outdoor solar street lights are widely used in many countries/areas. Traditional street lamps require high power resources to support, so they cost much. The emergence of solar street lamps has successfully solved this problem. Solar energy is a clean resource and belongs to unlimited energy. Solar street lamps can be powered by themselves through solar energy heating, thus reducing the supply of electric energy. It has the advantages of energy saving and environmental protection, the erection is not restricted by the electric line, cost-effective, etc
