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Lithium battery processing, lithium battery PACK manufacturers

Lithium battery processing, lithium battery PACK manufacturers


Lithium batteries are widely used, ranging from civilian digital and communication products to industrial equipment to military power supplies. Different products require different voltages and capacities. Therefore, lithium-ion batteries are used in series and in parallel. The application battery formed by the protection circuit, the casing, and the output is called a PACK. PACK can be a single battery, such as a mobile phone battery, a digital camera battery, an MP3, an MP4 battery, etc., or a series-parallel combination battery, such as a laptop battery, a medical device battery, a communication power supply, an electric vehicle battery, a backup power supply, and the like.
1. Lithium battery PACK composition:

PACK includes battery pack, protection board, outer packaging or casing, output (including connector), key switch, power indicator, and auxiliary materials such as EVA, bark paper, plastic bracket, etc. to form PACK. The external characteristics of the PACK are determined by the application. There are many types of PACK.

2. Lithium battery PACK production process:



3, the characteristics of lithium battery PACK
Has full functionality and can be applied directly.
Variety of species. There are multiple PACKs that can be implemented for the same application.
The battery pack PACK requires a high degree of consistency (capacity, internal resistance, voltage, discharge curve, lifetime).
The cycle life of the battery pack PACK is lower than the cycle life of a single battery.
Use under limited conditions (including charging, discharge current, charging method, temperature, humidity conditions, vibration conditions, degree of force, etc.)
The lithium battery pack PACK protection board requires a charge equalization function.
High-voltage, high-current battery packs PACK (such as electric vehicle batteries, energy storage systems) require a battery management system (BMS), CAN, RS485 and other communication bus.
The battery pack PACK has higher requirements on the charger, and some requirements and the BMS realize communication. The purpose is to make each battery work normally, fully exert the energy stored in the battery, and ensure safe and reliable use.

4, lithium battery PACK design
Fully understand the application requirements, such as the application environment (temperature, humidity, vibration, salt spray, etc.), usage time, charging, discharging mode and electrical parameters, output mode, life requirements, etc.
Select qualified batteries and protection 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 simple.
The program is optimized.
The cost is minimized.
Detection is easy to implement.

5, lithium battery use precautions! ! !
Do not put into fire or use near heat sources! ! !
Unavailable metal connects the positive and negative outputs directly together.
Do not exceed the battery temperature range.
Do not squeeze the battery with force.
Charge with a dedicated charger or the correct method.
Please recharge the battery every three months when the battery is on hold. And placed according to the storage temperature.
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