Button Cell Battery ANSI C18.3M Testing

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ANSI C18.3M is a safety standard for portable primary lithium batteries (including button cells). The main testing contents include:

Electrical Performance testing

• Voltage Test: Measures the open-circuit voltage of the battery to ensure it meets the nominal voltage.

• Capacity Test: Determines whether the actual capacity of the battery meets the nominal value through a discharge test.

• Discharge Performance Test: Evaluates the battery's performance under various discharge conditions.

Mechanical Performance Testing

• Impact Test: Simulates the impacts the battery may experience during transportation or use.

• Vibration Test: Evaluates the stability of the battery in a vibrating environment.

• Crush Test: Detects the safety of the battery when subjected to crushing.

Environmental Testing

• High-Temperature Test: Evaluates the performance of the battery in high-temperature environments.

• Low-Temperature Test: Evaluates the performance of the battery in low-temperature environments.

• Temperature Cycling Test: Detects the stability of the battery under temperature variations.

Safety Testing

• Short Circuit Test: Simulates the battery's reaction during a short circuit to ensure no hazardous events occur.

• Overcharge Test: Evaluates the safety of the battery under overcharge conditions.

• Forced Discharge Test: Detects the battery's behavior during a forced discharge.

Marking and Packaging Testing

• Marking Inspection: Ensures the battery markings comply with standard requirements.

• Packaging Test: Evaluates the protective performance of the packaging during transportation.

These tests are designed to ensure the safety and reliability of button cell batteries under normal and abnormal conditions.