Why do LED solar street lights often have quality problems in winter?

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Winter is the 'peak period' of LED solar street lights. Many LED solar street lights have quality problems in winter. The common problem is that the lighting time at night is insufficient. For example, it is originally 5 hours a day, but only two or three hours in winter. Lights out. The reason for this phenomenon is mainly caused by the battery feeding. So what is the reason?

LED solar street light configuration is low. The light in winter is not as good as in summer, and the solar panels generate insufficient power. At the same time, the discharge of the battery in winter is only 70% of that in summer, so it is not enough in winter, and the battery power is only bright enough for two or three hours a day.

1. The battery is buried too shallowly, and the weather is cold in winter, and the battery will be 'frozen' when it is frozen, resulting in insufficient discharge. Usually in cold areas, the battery should be buried to a depth of at least 1 meter, and 20 cm of sand should be laid at the bottom to facilitate the dissipation of accumulated water, so as to prolong the life of the battery.

2. The solar panel does not generate enough electricity, and the electricity generated every day is not enough to fully charge the battery. In winter, the sun moves south and the sun's elevation angle decreases, resulting in insufficient light. In some places, the solar panels are blocked by tall objects such as houses and trees or partially blocked due to light, resulting in insufficient power generation.

3. The solar panel has not been cleaned for a long time, and there is too much dust, which affects power generation. In some places, because of frequent snowfall, the solar panels covered with snow cause insufficient power generation. Therefore, it is necessary to clean the dust and snow of the solar panel frequently, once every two months.

4. Reach a certain service life. The battery has the number of charging and discharging times, and the power will gradually decrease with the increase of the number of uses, so usually the lighting time of the led solar street light will gradually decrease after more than 3 years of use, which is a normal phenomenon. Replacing the energy storage battery will solve the problem.

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