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Solar street lights are raised light sources that are powered by the photovoltaic panels and are either integrated into the pole or mounted on the lighting structure. These photovoltaic panels charge the battery that powers the LED lamps at night. The battery-based solar street light is generally a standalone system that stores energy from the solar panels. The street lights come fitted with dusk to dawn sensors which make the lights turn on automatically in the evening and turn off in the morning while taking in the charge during the daytime.