Why hasn't solar street lights been popularized on a large scale?

basically have many applications in the existing social environment. However, judging from the current actual use of solar street lights, it has not been widely used in a short period of time. Why has solar street lights not been widely used? Although such products are environmentally friendly and beautiful, they can continuously improve the image of the city, but the entire solar street light still looks very economical, and their products have been promoted more theoretically, but the fact is not the case, and the penetration rate is low. What is the reason? Reason 1: The brightness of solar street lights is low. The brightness of solar street lights is basically dependent on power generation this year, and the conversion rate of these panels is basically about 20%. The power limit, they can't come for high-power lighting, so solar street lights The brightness is lower than that of ordinary street lights. Reason 2: The price of solar street lights is expensive. Compared with other ordinary street lights, solar street light have more battery panels, batteries and controllers. The overall cost is definitely not particularly low, about twice that of ordinary street lights. Around, although they may return all of them in 5 years, in actual use, many people still have complaints about this aspect. Reason 3: The life of the lithium battery of solar street light is short. Relatively speaking, the life of the lithium battery of solar solar street light will not last too long in actual work, because the street light industry itself is manufactured by a variety of different technologies. After three years, it will need to be replaced continuously, so most solar street lamp manufacturers basically have a warranty period of several years, but if the final battery is broken, then the solar solar street lamp will definitely have a qualitative leap, although the current have many restrictions, but they are not hidden. In recent years, this kind of street lights have also become more popular. Compared with developed countries, there is still a certain gap in the use of domestic solar street lights.
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