What is the price of solar street lamps 13 meters1

Solar street lamps and growing street lamp of the two street lamp which one is more practical, this problem from two lights exist, there has been controversy. Under the tendency of the environment-friendly society now, solar street light is fired in

because solar street lamp lights and growing at the same time, so has been controversial. In the current under the trend of social environmental protection, solar street lamp is lit is in full swing, but is it really better? First of all, let's take a look at the cost between the two. According to 6 meters lamp, a set of ordinary 6 meters of street lamp is equipped with a 20 watts of led lights, if combined with embedded parts, the cost is about 700 yuan, Medium quality) 。 The same set of 6 m solar street light with a 20 watts of led lamp, a 80 - watt battery, a 80 watts of solar panels, an embedded parts and a controller. Total cost is about 1900 yuan, Medium configuration, medium quality) 。 Can see clearly that the price of solar street lights are ordinary high street lamp 1. Seven times. Let us put aside price, compare their service life. The service life of the ordinary street lamp is determined by the light emitting diode lamp, because ordinary street lamp components is just a beam of light and lamp holder, so use the poor quality of the lamp of 15 years is not a problem. LED lamp is the theory of life 100000 hours, even if can only be used for 50000 hours, 15 years is also safe and reliable. The service life of the solar street light not only decided by the light emitting diode lamp holder, but determined by the battery. Many battery manufacturers to provide 3 years warranty, the longest service life is 5 years, that is to say, the battery is used 5 years later, their work capacity will be greatly reduced or completely lost. The cost of the replacement battery for at least 500 yuan ( Including artificial) 。 Therefore, can be seen from the above view, cost is higher than light, solar street lamps, light stability is much higher than the solar street light. If set the line is not easy, of course, choose solar street light is the best choice ( 。 jschindo。 com)