Two charging mode solar street lights are designed into one combined system, if there is sunlight but no wind energy, the solar panel can charges the battery, meanwhile, if there is wind energy but no sunlight, the wind turbine can charge the battery.
Two charging mode solar street lights are designed into one combined system, if there is sunlight but no wind energy, the solar panel can charges the battery, meanwhile, if there is wind energy but no sunlight, the wind turbine can charge the battery.
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