What are the disadvantages of 3.2V solar street lights?

Recently, China Daily published an article on 'Solar street lamp industry is thunder again, and there are secrets hidden behind the battery'. This article actually refers to .V solar street lamps. Although .V solar street lights are cheap, their service life is worrying. Many manufacturers claim that they have a warranty of one year or five years, which is actually unfounded and exaggerated. The actual service life is generally only one year. In short, V solar street lights have many disadvantages in practical applications. Next, the manager of the solar street light manufacturer Qian will lead you to understand the disadvantages.


.V solar street lights generally use lithium iron phosphate as the battery cell, and lithium iron phosphate cells are eliminated or used by many domestic automobile factories. These batteries have the following problems:
1. The actual cycle times are low or even exceed the battery cycle times
A lithium iron phosphate battery that has just left the factory can reach multiple cycles. As the cycle number increases, the internal chemical substances change, which may cause uncertainty in the entire life cycle. The lithium iron phosphate battery used in the solar street light industry is a product that is eliminated after three years of use in electric vehicles. Many cycles have exceeded. Therefore, from the chemical point of view, the usable life can no longer be guaranteed.
2. The performance is extremely unstable
Because the .V solar street light uses the eliminated lithium iron phosphate batteries, the capacity, voltage drop, internal resistance, cycle and other properties of the batteries are in an extremely low and unstable state, which not only fails to meet the assembly requirements, but also Even if it is used for single use, its capacity decay and power-down rate are extremely unstable, and the user experience must be extremely poor. Moreover, similar to internal defects such as hitting a wall, lack of liquid, and lithium precipitation, it represents an unstable safety hazard. The performance is extremely unstable.
Three, high security risks
Under the elimination of lithium iron phosphate batteries, there is a greater safety hazard in this province, because the province has gone through a long charge and discharge cycle, life and chemical characteristics are no longer guaranteed, and there are high safety risks. The solar street light is a product of basic engineering and a project that benefits the people. Such high risks and hidden dangers are not allowed.
In short, lighting's attitude towards .V solar street lights has always been: not recommended! Don't advocate! . This violates the market principle. As an excellent solar street lamp manufacturer, lighting has always wanted to export high-quality solar street lamps to the market. Therefore, it is always recommended that you use conventional solar street lamps with V ternary batteries. Although the whole set of solar street lamps is more expensive, use Life is more guaranteed!