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IEC 60896-21 Battery Certification

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Update time : 2025-07-22

As one of the most mature electrocheMICal energy storage technologies, lead-acid batteries play a vital role in power systems, communication base stations, data centers, and other fields. To standardize their design, testing, and application, the International Electrotechnical Commission (IEC) has established the IEC 60896 series of standards, specifically addressing the technical requirements and testing methods for stationary lead-acid batteries.

 

What is the IEC 60896 Standard?

IEC 60896 is a standard issued by the International Electrotechnical Commission for lead-acid batteries. As one of the most widely used power sources, lead-acid batteries are crucial for both consumers and manufacturers. The IEC 60896 standard ensures the quality and performance of lead-acid batteries, thereby guaranteeing their safety and reliability. Compliance with this standard facilitates quality inspection and performance assurance for manufacturers.

 

Key Test Items CoveRED:

1. Electrical Performance testing

a. Capacity Test:Verifies whether the actual discharge capacity of the battery meets the rated value under specified temperature (typically 25°C) and discharge rate conditions. For example, discharging at the C10 rate to a cutoff voltage of 1.80V per cell must resULt in a capacity ≥ 95% of the rated value.

b. Cycle Life:Simulates deep charge/discharge cycles (e.g., 80% Depth of Discharge) to evaluate battery durability. Typically, the remaining capacity must be ≥ 80% after several hundred cycles.

c. Self-Discharge Rate:After being left idle for 28 days, the capacity loss should be ≤ 15%, reflecting the battery's storage stability.

 

2. Environmental Adaptability Testing

a. High and Low Temperature Performance:High-temperature tests (e.g., 40°C or 55°C) verify capacity and seal integrity; low-temperature tests (-20°C) ensure discharge capability meets standards.

b. Overcharge Resistance:The battery is overcharged for 48 hours at 0.1C current. It must not show leakage, deformation, or significant capacity loss.

 

3. Safety Testing

a. Short Circuit Test:The battery should not catch fire or explode when short-circuited. The temperature rise must remain within safe limits.

b. Mechanical Strength:Vibration and shock tests verify the structural stability of the battery, ensuring no electrolyte leakage under extreme conditions.


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