What battery does solar street light use?
With the in-depth development of the new socialist countryside and the construction of beautiful villages, solar street lights have been seen everywhere as the first-choice lighting equipment. Solar street lights are not only energy-saving and environmentally friendly, but also do not incur electricity bills, so they are welcomed by the masses of people.
The battery is the main equipment of solar street lights. At present, the batteries used in solar street lights mainly include lead-acid batteries, gel batteries, ternary lithium batteries, and lithium iron phosphate batteries. So which battery is the best for solar street lights?
First of all, let's take a look at the characteristics of these types of batteries:
Lead-acid batteries: The plates of lead-acid batteries are made of lead and lead oxides, and the electrolyte is an aqueous solution of sulfuric acid. Its main advantages are stable voltage and low price; the disadvantage is that the specific energy is low (that is, the electric energy stored in the battery per kilogram), so the volume is relatively large, the service life is about 300-500 deep cycles, and the daily maintenance is frequent. At present, solar street lights The industry is still heavily used.
Gel battery:
In fact, it is an upgraded maintenance-free version of lead-acid batteries. It replaces sulfuric acid electrolyte with colloidal electrolyte. It has improved safety, power storage, discharge performance and service life compared with ordinary batteries, and the price is some Even higher than the ternary lithium battery. It can be used in the temperature range of -40℃-65℃, especially the low temperature performance is good, suitable for the northern alpine regions. It has good seismic performance and can be used safely in various harsh environments. The service life is about twice as long as that of ordinary lead-acid batteries.
Ternary lithium battery:
The specific energy is higher, the volume is small, the charging is fast, and the price is higher. The number of deep cycles of ternary lithium battery is about 500-800 times, the life span is about 1 times longer than that of lead-acid battery, and the temperature range is -15℃-45℃. But the disadvantage is that it is not stable, and the ternary lithium battery of unqualified manufacturers may explode or catch fire when overcharged or the temperature is too high.
Lithium iron phosphate battery:
High specific energy, small size, fast charging, long service life, good stability, and of course the highest price. The number of deep cycle charging is about 1500-2000 times, the service life is long, generally up to 8-10 years, the stability is strong, the use temperature range is wide, and it can be used at -40℃-70℃.
In the end, the battery must be selected according to the actual requirements of the on-site ambient temperature, and a regular manufacturer must be selected;
Benwei Solar Street Lights Outdoor Lamp
Product Features:
>LED light, solar panel, lithium battery and controller,all in one compact design.
>No wiring,100% solar powered ,easy to install and ship.
>Built-in infrared sensor,can adjust the light output automatically(time control + light sensor control+ motion sensor control).
>Rust-proof, dustproof and waterproof IP65.
>5 years warranty.
