As we all know, an important part of
solar street light is the battery. How to distinguish the types of batteries? At present, domestic power batteries are mainly divided into two factions, which are divided into lithium iron phosphate and ternary materials according to the difference of cathode materials. Although both belong to secondary batteries and can be used repeatedly for charging and discharging, due to the difference in materials, there is still a relatively large difference in the performance reflected in the final use level. Ternary material or lithium iron phosphate? The so-called lithium iron phosphate battery refers to a lithium ion battery using lithium iron phosphate as the positive electrode material. This type of battery is characterized by no precious metal elements (such as cobalt, etc.). In actual use, lithium iron phosphate batteries have the advantages of high temperature resistance, strong safety and stability, low price and better cycle performance. The ternary material lithium battery refers to a lithium battery that uses nickel cobalt lithium manganate as the positive electrode material and graphite as the negative electrode material. Different from lithium iron phosphate, the ternary lithium battery has a high voltage platform, which means that under the same volume or weight, the ternary lithium battery has a greater specific energy and specific power. In addition, ternary lithium batteries also have great advantages in terms of high-rate charging and low-temperature resistance. The nominal voltage of iron lithium is 3.2-3.3V, and the manganese series is 3.6-3.7V. This is the most obvious difference. Advantages of iron-lithium system: long theoretical life, excellent theoretical resistance to overcharge and overdischarge. The advantages of the ternary system: high energy density, good low temperature performance, small size, and good discharge linearity. Disadvantages of iron lithium: large volume, heavy weight, poor discharge linearity, and poor low temperature performance. Disadvantages of the ternary system: slightly poor cycle life, poor life under high temperature conditions. Guaranteed cycle life For family vehicles, the rated cycle life of ternary materials and lithium iron phosphate power batteries far exceeds the usage habits of actual users, so you can be completely assured in terms of service life. Taking BAK Battery's current high-capacity 18650 battery as an example, after 1,000 charge-discharge cycles, the battery capacity can still maintain more than 90% of its original capacity. We mainly produce and sell outdoor road, square, station, wharf, courtyard and indoor industrial and mining lighting fixtures. Varieties are: solar street light, led street light, single-arm light, double-arm light, high pole light, combination light, garden light, landscape light, lawn light, buried light, solar light, led light, led lamp holder, solar panel, Fountain sculptures, various traffic sign poles, traffic lights, power poles, and supporting ballasts and triggers, and also produce light-controlled and time-controlled switch boxes. We have always paid attention to product quality and adhered to the tenet of 'quality is the life of an enterprise'. At the same time, we have always paid attention to the research and development of new products and listened to the opinions of customers with an open mind, which has enabled us to continue to grow and develop in the market competition. 'Quality first, reputation first, customer first' is our consistent tenet, and 'survive by quality, seek benefit from management' is our corporate creed, and we wholeheartedly provide the best services to our new and old customers.
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