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How To Choose Solar Lights?

- Oct 08, 2018 -

How to choose solar lights?

 

Solar Led Color Changing Garden Lights.jpgSolar lights use solar panels to absorb light, absorb solar energy and convert them into electrical energy, and store them in the battery. When lighting is needed, the switch can be turned on for illumination. Ultra-bright LED is used as the light source, which has the characteristics of energy saving and power saving. It uses solar energy to charge, and does not need to change the battery frequently, adapting to the development trend of cleaning and environmental protection. The product is easy to carry and easy to operate, and is an ideal lighting tool in modern life.


At present, the photoelectric conversion efficiency of single crystal silicon solar cells is about 15%, and the highest is 24%. At present, all kinds of solar cells have the highest photoelectric conversion efficiency and the most mature technology. The service life is generally up to 15A and up to 25A. The photoelectric conversion efficiency of polycrystalline silicon solar cells is much lower than that of monocrystalline silicon solar cells. The photoelectric conversion efficiency is about 12%, and the service life of polycrystalline silicon solar cells is also shorter than that of monocrystalline silicon solar cells.


The solar cell power must be more than 4 times higher than the load power. The system will work properly. The voltage of the solar cell should exceed 20% to 30% of the operating voltage of the battery to ensure normal storage of the battery. Therefore, the battery capacity must be more than 6 times higher than the daily load of the load.



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