Because in recent years, solar led street lamp industry competition is more and more big, a lot of manufacturer's profit is taller than before, so I want to make a profit from the virtual standard configuration. Such as street lamps is 60 w, give customers at 80 w. This kind of virtual standard configuration is a lot of unscrupulous merchants a means of making money, on the other hand is because buyers constantly demand low price. Therefore, we should keep an eye when the choose and buy. Any lighting is needed to heat dissipation, if not heat, can lead to the high temperature in the lamp, thereby reducing the lamp life. This is the same reason for solar street lights, heat dissipation for solar street lamps are equally important. But there are some solar led street lamp manufacturers in order to save costs, in the work is not careful, lead to bad the solar street light heat dissipation design. So we can test when the choose and buy, open the lamp for a period of time, see if heat dissipation effect. Solar led street lamp chip performance determines the street lamps, if the chip is not good, the performance is not good to go. A lot of unscrupulous businessmen in order to be able to earn more profits, use cheap fake high chip. Don't understand the customer psychological preparation for this on the one hand, a little all have no, even if understand customers, sometimes also is unable to avoid. Want to learn more industry information or ask price, can call advisory