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What is the Lifepo4 Battery "PACK"?

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Author: admin
Publish Time: 2022-11-25
Lifepo4 battery pack internal BMS assembly process

Introduction

Lithium batteries are widely used, ranging from civilian digital and communication products to industrial equipment to special equipment, etc. They are all used in batches. Different products require different voltages and capacities. Therefore, lithium-ion batteries are used in many cases in series and parallel. The application battery formed by protecting the circuit, casing, and output is called PACK. PACK can be a single battery, such as a mobile phone battery, digital camera battery, MP3, MP4 battery, etc., or a series-parallel combination battery, such as a laptop battery, medical equipment battery, communication power supply, electric vehicle battery, backup power supply, etc.

 

The Composition of the Lithium Battery Pack

PACK includes a battery pack, protective plate, outer packaging or casing, output (including connectors), key switch, power indicator, and auxiliary materials such as EVA, highland barley paper, and plastic brackets to form a PACK. The external characteristics of the PACK are determined by the application. There are many types of PACK.

 

The Production Process of Harveypower Battery PACK

Harveypower lifepo4 battery assembly steps

Features of the LFP Battery Pack

1.  There are complete functions that can be applied directly.
2. Variety of species. There are multiple PACKs that can implement the same application requirement.
3. The battery pack PACK requires the battery to have a high degree of consistency (capacity, internal resistance, voltage, discharge curve, and life).
4. The cycle life of a battery pack PACK is lower than that of a single cell.
5. Use under limited conditions (including charging, discharging current, charging method, temperature, humidity conditions, vibration, stress, etc.)
6. The lithium battery pack PACK protection board requires a charge equalization function.
7. High-voltage, high-current battery packs (such as electric vehicle batteries, and energy storage systems) require communication buses such as battery management systems (BMS), CAN, and RS485.
8. The battery pack PACK has higher requirements on the charger, and some requirements communicate with the BMS. The purpose is to make each battery work normally, fully utilize the energy stored in the battery, and ensure safe and reliable use.

 

 

Design of Lithium iron Battery Pack

Fully understand the user requirements, such as the application environment (temperature, humidity, vibration, salt spray, etc.), use time, charging, discharging methods and electrical parameters, output methods, life requirements, etc.

Select qualified batteries and protection circuit boards according to the requirements of use.

Meet the size and weight requirements.

The packaging is reliable and meets the requirements.

The production process is simplified.

program optimization.

Cost minimization.

Detection is easy to implement.

 


Precautions for the Use of LiFePo4 Batteries!!!

1. Do not put it into a fire or use it near heat sources! !!
2. Do not use metal to connect the positive and negative outputs directly together.
3. Do not use outside the battery temperature range.
4. Do not squeeze the battery with force.
5. Use a special charger or charge it in the correct way.
6. Please recharge the battery once every three months when it is on hold. and place at storage temperature.

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