The capacity of the solar street lamp battery must be able to meet the working requirements

　　 With the increasing shortage of traditional energy sources, the application of new energy sources such as solar energy will become more and more extensive, especially solar lighting has developed into a mature sunrise industry in just a few years.

　　 At present, one of the most important links restricting the application of solar power is the price. For example, two solar street lights have a total load of 60 watts, and the battery panels need to reach about 200W. Calculated at 10 yuan per watt, the cost of the battery panel is only It costs 2,000 yuan, and the cost of the battery pack of about 200AH is also close to about 1800. The one-time investment cost of the entire street lamp will be much higher than that of the city's circuit lamp, which has also caused the main bottleneck in the application of solar street lamps.

　　In many practical applications of solar street lights, solar street lights in many places cannot meet the normal lighting needs, especially in continuous rainy days and winter periods of insufficient light. In addition to the use of poor quality related components, another The main reason is that it is required to blindly reduce the cost of components, do not design and configure according to requirements, and reduce the use standards of battery panels and batteries, so that street lights cannot provide lighting on cloudy and rainy days.

　　 Therefore, the service life of the battery should be considered in the application of the entire street lamp system. The general battery is guaranteed for three or five years, but the general battery will not be fully charged after one year or even six months. Some actual charging The rate may drop to about 40%, which will definitely affect the normal lighting at night during continuous rainy days, so it is particularly important to choose a better battery.