Solar street lamp battery

Solar street lamp battery-what kind of battery is used for solar street lamp?
The solar street lamp battery is the application of the battery in the solar street lamp. The function of the solar street lamp battery is to store the electric energy generated by the solar cell components.
Another new energy street lamp for insufficient light or night lighting.
The currently used solar street lamp batteries are:
Sealed lead-acid batteries, ordinary lead-acid batteries, gel batteries, lithium iron batteries and alkaline nickel-cadmium batteries, etc., the voltage is generally 12V or 24V.
But the most commonly used are sealed lead-acid batteries and gel batteries, which are widely used due to their maintenance-free and high environmental protection.
For solar street lamp batteries, it should have: enough cycles of charge and discharge, low self-discharge rate, long service life, strong deep discharge capability, high charging efficiency, and can be maintained with little or no maintenance
The calculation method of solar street lamp battery configuration is as follows:
One: First calculate the current:
Such as: 12V battery system;
Two 30W lamps, a total of 60 watts.
Current=60W÷12V=5A
Two: Calculate the battery capacity requirement:
For example, the accumulated lighting time of street lights every night needs to be 7 hours (h) at full load;
(For example, it opens at 8:00 in the evening, closes 1 road at 11:30 in the evening, opens 2 roads at 4:30 in the morning, and closes at 5:30 in the morning)
Need to meet the lighting needs of continuous rainy days for 5 days. (5 days plus the lighting of the night before rainy days, totaling 6 days)
Battery=5A×7h×(5+1)day=5A×42h=210AH
In addition, in order to prevent the battery from overcharging and over-discharging, the battery is generally charged to about 90%; about 20% is left for discharge.
So 210AH is only about 70% of the true standard in the application.
What kind of battery is used for solar street lights?
Lithium batteries are small in size, light in weight, and easy to transport. Compared with the lead-acid gel battery for solar street lights of the same power, the weight is about one-third and the volume is about one-third. Therefore, transportation is easier, and transportation costs are naturally reduced. Lithium batteries have high energy density and long life. Energy density refers to the amount of energy stored in a certain space or mass unit. The greater the energy density of the battery, the more electricity can be stored per unit weight or volume. There are many factors that affect the life of lithium batteries, of which energy density is one of the most important internal factors.
What kind of battery does solar street light use?
Solar street lights use lithium batteries for easy installation. When installing traditional solar street lights, a battery pit needs to be reserved and the battery is sealed in an underground box. The installation of lithium solar street lights is more convenient. The lithium battery can be directly installed on the bracket, using a suspended or built-in type. Lithium-ion solar street lights are easy to maintain. Lithium-ion solar street lights only need to take out the battery from the pole or battery panel during the maintenance process. Compared with lithium solar street lights produced by lithium battery spot welders, traditional solar street lights need to dig underground batteries for maintenance more troublesome.
I believe everyone is familiar with batteries and knows that they need to be able to store electrical energy. The same is true for the battery of the solar LED street light in the lithium battery assembly equipment, which is also used to store electricity and provide lighting. Its types generally include lead-acid batteries, nickel-cadmium batteries, and nickel-hydrogen batteries. However, in street lighting, more colloidal lead-acid batteries are used. It can meet the premise of night lighting, store energy generated by solar energy during the day, and store energy to meet the lighting needs of continuous rainy night lighting.
What kind of battery does solar street light use?
For the battery capacity, if it is too small, it cannot meet the needs of night lighting. If the battery capacity is too large, the battery will be in a power-off state, affecting the service life of the battery, causing a certain amount of waste and increasing unnecessary costs. The 18650 lithium battery is not a simple whole, it needs to match the solar photovoltaic panel and the load power. In this way, its functions can be fully utilized to provide the storage function of electric energy.
For solar street lights, some of its components and each part are very important, so we must pay attention to it. For the battery of solar street light, it is the basis to ensure the lighting, so it must be selected and used correctly.