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With the increasing shortage of traditional energy sources, the application of new energy sources such as solar energy will become more and more extensive. In particular, solar lighting has developed into a mature sunrise industry in just a few years.
At present, one of the most important links restricting solar power generation is the price. For example, the load of two solar street lamps is 60 watts, and the battery board needs to reach 200W. According to the calculation of 10 yuan per watt, the cost of the panel is 2,000 yuan. In addition, the battery pack cost of about 200AH is also close to 1800. The one-time input cost of the entire street lamp will be much higher than that of the city circuit lamp, which also causes the main bottleneck in the field of solar street lamp application.
In the practical application of many solar street lights, solar street lights in many places can not meet the normal lighting needs, especially in the continuous rainy days and winter light shortage period, in addition to the use of poor quality related components, another major reason It is required to reduce the cost of components blindly, not to design and configure according to requirements, and to reduce the use standards of the battery panels and the storage batteries, so that the street lamps cannot provide illumination in the rainy days.
Therefore, the service life of the battery should be considered in the application of the entire street lamp system. The general battery warranty is three or five years, but the general battery will not be fully charged after one year or even six months, and some actual charging rates are possible. Decline to about 40, which will affect the normal night lighting during continuous rainy days, so it is especially important to choose a better battery.