What is a Battery Cell Sorting Machine?

A Battery Cell Sorting Machine is an automated device used in lithium battery manufacturing to test, grade, and organize individual battery cells (such as cylindrical, prismatic, or pouch cells) before they are assembled into battery packs.

Key Functions:

1. Performance Testing:

   • Measures parameters like voltage, internal resistance, capacity, and sometimes impedance or self-discharge rate.

   • Ensures each cell meets required specifications.

2. Sorting & Grading:

   • Based on test results, cells are categorized into different grades (A, B, C, etc.) to ensure uniformity in battery packs.

   • This step improves the overall safety and performance of the final battery pack.

3. Automation:

   • Machines are usually equipped with robotic arms or conveyor systems for high efficiency and accuracy.

   • Reduces manual labor, testing time, and errors.

4. Applications:

   • Used in EV battery production, energy storage systems, consumer electronics, and industrial power supplies.

Why It’s Important:

• Battery packs require cells with very similar performance to maintain balance and safety. Sorting machines help manufacturers match cells correctly, reducing the risk of overheating, imbalance, or early degradation.