The solar street light works without grid power. It totally relies on solar energy, which is clean, endless and environment-friendly. The system is mainly composed of solar panel, light source, controller and battery. In daytime, when there is sunshine, the solar panel can convert the solar energy to electric power and store it in the battery. At night or rainy or cloudy condition, the controller can judge the brightness of daylight and automatically switch the light on. And the battery shall supply the power for lighting.
The solar street lights are applicable for road lighting, courtyard lighting, landscape lighting, and so on, in both cities and villages.
Comparing with grid-powered street light, the solar street light has advantages of no consumption of grid power, no electricity charge, no need of power supply facilities, no pollution, easy-installation, one-time investment long-time payback, etc.
Tuesday, December 18, 2012
Solar Street Light System
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