Lithium battery for solar street lights.
Let's first take a look at the characteristics of these types of batteries:
1. Lead acid battery: The plates of a lead-acid battery are composed of lead and lead oxide, and the electrolyte is an aqueous solution of sulfuric acid. Its important advantages are stable voltage and low price; The disadvantage is that the specific energy is low (i.e. the amount of stored electricity per kilogram of battery), so the volume is relatively large, the service life is short by about 300-500 deep cycles, and daily maintenance is frequent. Currently, solar street lights are still widely used in the industry.
2. Colloidal battery: In fact, it is an upgraded maintenance free version of lead-acid batteries, which replaces sulfuric acid electrolyte with colloidal electrolyte. It has improved safety, storage capacity, discharge performance, and service life compared to ordinary batteries, and some prices are even higher than ternary lithium-ion batteries. It can be used in the temperature range of -40 ℃ to 65 ℃, especially with good low-temperature performance, suitable for high-altitude regions in the north. Good seismic performance and can be safely used in various harsh environments. The service life is about twice that of ordinary lead-acid batteries.
3. Lithium iron phosphate ion battery: high specific energy, small size, fast charging, long service life, and good stability. The deep cycle charging frequency is about 1500-2000 times, with a long service life, generally up to 8-10 years. It has strong stability and a wide temperature range, and can be used at -40 ℃ -70 ℃.
In summary, it is best to use
lithium iron phosphate batteries for solar street lights.
1、 It has five major product advantages: energy saving, environmental protection, long life, economy, and intelligence. Experts told reporters that it fully utilizes natural light and wind resources, without consuming electricity from the city.
2、 Lithium ion batteries are a type of energy storage battery that is controllable and pollution-free. In addition, experts also told reporters that lead-acid battery solar street lights are often criticized for having a short service life during use, with half a year of new and half a year of old, and half a year of maintenance and upkeep. The service life of new lithium-ion battery solar street lights is generally over 10 years, and the service life of LED light sources can generally reach 10 years (about 50000 hours), which can be perfectly matched with the system.
3、 The lithium-ion battery of solar street lights can also intelligently optimize and calculate the remaining capacity, day and night duration, weather conditions, and other factors according to user needs, allocate power levels reasonably, and achieve functions such as light control, time control, and storage memory, ensuring continuous rainy and light conditions for ten days.
4、 Lithium ion batteries are safer.
Lithium ion batteries belong to dry battery properties and are more stable and safer than lead-acid batteries.
