| Solar street lamp whose main function is illumination uses high-efficient solar mono (poly)-crystalline silicon cell for the supply of energy, and takes sealed maintenance-free lead-and-acid batteries for energy storing. Its light source is high efficient energy-saving lamp and its charging and discharging is controlled without the participation of human-beings, which is convenient to install and providing stable energy. The solar module can offer direct current and needs no wire or cable, which makes it energy-saving, environment-protecting, economical, practical(it can work consecutive 3~7 rainy days) and long-life(the solar module can be used for 15~20 years, and the battery can work 5~7 years). All the advantages make it the ideal outdoor illumination in the future. |
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