Base station backup power lithium battery

Technical specifications for lithium iron phosphate battery packs for communications. The components of lithium iron phosphate batteries for communications are integrated battery packs and discrete battery packs. With the promulgation of national policies, various industries and localities have set up standards to strengthen the control and development of lithium iron phosphate batteries, and clearly proposed iron phosphate batteries. The technical specifications and requirements of lithium battery packs used in various scenarios.

Technical specification standard for lithium iron phosphate battery pack for communication

Lithium iron phosphate battery has many advantages such as small size, light weight, outstanding high temperature performance, excellent cycle performance, high rate charging and discharging, and green environmental protection. It is more suitable for harsh base station environments such as high ambient temperature, small computer room area and small load-bearing. It can be used as an effective supplement to the lead-acid battery in terms of the terminal power supply backup battery.

The lithium iron phosphate battery system for energy storage electrical communication is one of the high-tech products developed by our company. The product has many features such as integration, miniaturization, light weight, intelligence, centralized monitoring, management and maintenance, unattended, convenient use of standardized cabinet installation, energy saving and environmental protection.

As a backup power supply, it is widely used in communication fields such as access network equipment, remote exchanges, mobile communication equipment, transmission equipment, satellite ground stations, and microwave communication equipment. It fully meets the rapid development of the communication industry and proposes a backup power supply for communication. The new challenge has been favored by the communications industry.

The following is the technical specifications and standards for lithium iron phosphate battery packs for communications, summarized by the editor of Energy Storage:

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1. Operating temperature range

Lithium iron phosphate battery components are used under the following operating temperature standards: Lithium iron phosphate battery charging environment temperature: 0~55℃; discharge environment temperature: 20~60℃;

2. Electrical performance

The key characteristics inside the lithium battery pack are the same. Each lithium battery cell in a lithium iron phosphate battery pack should be manufactured in the same processing plant, with the same structure and composition, and comply with the following regulations:

●The difference between the maximum and minimum static open circuit voltage between the cells in the battery module should not be greater than 0.05V;

●The difference between the maximum and minimum static internal resistance of each cell in the battery module should meet: the absolute value of the deviation should not exceed 0.5mW if the value is less than 10mW, and the absolute value of the deviation should not exceed 5% of the average value if it is more than 10mW;

●The difference between the maximum and minimum capacity of each cell in the battery module should not exceed ±1% of the average.

3. Possession of energy storage technology

The capacity of the lithium iron phosphate battery should not be less than 95% of the short-circuit capacity.

Four, electromagnetic compatibility test

●Anti-interference of electrostatic induction charging and discharging. The lithium battery pack should meet the requirements of GB/Level 4, after the experiment, there should be no significant deformation, liquid leakage, smoke or explosion in the appearance, and it should be able to work normally.

●The degree of transmission interference. The lithium battery pack should meet the requirements of YD/T983-1998 Class B. After the experiment, there should be no significant deformation, liquid leakage, smoke, explosion, etc., and it should be able to work normally.

●Limits on the interference of radiation sources. The lithium battery pack should meet the requirements of YD/T983-1998 Class B. After the experiment, there should be no significant deformation, liquid leakage, smoke, explosion, etc., and it should be able to work normally.

●Impact resistance (impact resistance). The lithium battery pack should meet the requirements of GB/Level 4, after the experiment, the appearance should have no significant deformation, liquid leakage, smoke or explosion, and it should be able to work normally.

Five, the accuracy of the displayed information

The lithium iron phosphate battery pack is equipped with a dedicated rechargeable battery intelligent management system (BMS). The BMS battery management system realizes battery status monitoring, battery status analysis, battery safety protection, energy control management, and battery information management.

Other requirements for communication lithium iron phosphate battery pack

1. The surface of the lithium iron phosphate battery should be clean, free of rust, scratches, deformation and mechanical damage, no leakage, and no corrosion on the interface contacts;

2. The surface of the lithium iron phosphate battery pack should have the necessary product identification, and indicate the production date, the product identification, the printing is clear, and the identification is clear, and it is not easy to fall off;

3. The positive and negative terminals and polarity of the lithium iron phosphate battery should be clearly marked, the surface should be shiny, free of flashing burrs, unevenness defects, and the surface should be polished and passivated for easy connection. The size of the terminals should conform to the manufacturer's product drawings;

4. The communication interface and power interface of the lithium iron phosphate battery should have clear Chinese signs and conform to the manufacturer's product drawings;

5. The external dimensions of the lithium iron phosphate battery should conform to the manufacturer's product drawings or documents.

Application field of lithium iron phosphate battery

①High-voltage DC power supply system for communication (HVDC)

②Indoor coverage/distributed station power supply solution

③ Embedded UPS AC power system

④Muratong and other base station power solutions without air-conditioning

⑤Indoor macro base station power supply solution with tight space

Summary: Promoting the use of lithium iron phosphate battery packs in communication base stations is of positive significance for promoting the green and high-quality development of the communication industry. After continuous research and technological innovation, lithium iron phosphate batteries will become an epoch-making backup power supply device, which will be more and more used in the communications industry.