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The Life Span of Solar Road Stud Markers (1)

DATE:2020-07-23
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The primary factor determining the life of solar road stud marker is battery life, so the selection of battery is very important. At present, there are two types of batteries on the market for reference. One is that after 500 times of charging and discharging, the battery capacity will be reduced to 65%; the other is that after 1000 times of charging and discharging, the battery capacity will be reduced to about 70%. 
Silicon cells are made of high efficiency monocrystalline silicon or polycrystalline silicon solar cells, with conversion efficiency as high as 20%, small attenuation, good reliability, long service life and more than 25 years.

solar road stud marker
 
The battery life of solar road stud markers should not only be long enough, but also be able to work normally in a large temperature range. We know that the battery works in a chemical environment. If the temperature is too high or too low, the battery will not work. Therefore, the working temperature range of the solar road stud markers must meet the requirements of the actual use environment. 
The Ministry of communications of the people's Republic of China requires 10 ℃ to 50 ℃, but the actual environment often exceeds this range, so it puts forward higher requirements for batteries.

solar road stud marker
 
The application environment of solar road stud markers is complex and changeable, and the temperature and humidity may be quite different. The temperature in the north is very low in winter and very high in summer. The temperature difference between day and night in Northwest China is particularly large. The southeast area is wet, while the northwest are is dry. All these will affect the normal operation of solar road stud markers.
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