How to customize the battery pack

Normally, we will first figure out the following information for a custom battery pack:

1. Battery Pack Voltage & Capacity

2. Battery Pack Max. Continuous Output Power

3. Battery Weight & Dimension

4. Battery Pack Housing

5. Charge & Discharge Terminal and other detail and special requirement.

6. Battery Pack Application

The application of lithium batteries is very extensive. Our application fields include: energy storage, medical, military, industrial, and different applications, different products require different voltages, capacities, currents, and series and parallel. Combine the same batteries and add protective plates, wires, terminals, and a complete battery pack.

1. How is the battery pack made up?

CTECHI PACK includes battery pack, BMS, outer packaging or casing, connector, 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. How to produce a battery pack?

3. What are the characteristics of the 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 requires a high degree of consistency (capacity, internal resistance, voltage, discharge curve, lifetime).

The cycle life of the battery 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 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 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. What should I pay attention to when designing the battery pack?

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. What should we pay attention to?

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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