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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

since two lights exist, solar street light and high street lamp which of these two kinds of street light is more practical problems has been in debate. 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 m light pole, a general 6 meters of street lamp is equipped with a 20 watts with embedded parts of led lights, costs about 700 yuan ( Medium quality) 。 The same set of 6 meters equipped with 20 watts led lamp, solar street lamps 80 watts of battery, 80 watts of solar panels and controller, embedded parts. 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 but is light and lamp holder. It can be said that the use of poor quality lamp 15 years is not a problem. Led lamp is the theoretical life of 100000 hours. Even if they can only be used for 50000 hours, they are 15 years or security. The service life of the solar street light not only decided by the light emitting diode lamp cap, but determined by the battery. Given many battery manufacturers warranty for 3 years, the longest service life for five years. That is to say, the battery installation using five years later, their work capacity will be greatly reduced or completely lost. To replace a battery costs 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. Of course, if it is difficult to set up the line, select solar street light is the best choice ( 。 jschindo。 com)