What is Power Bank 3C Certification?

Introduction to Power Bank 3c certification

The Power Bank 3C Certification refers to the china compulsory certification (CCC)— a mandatory product certification system established to protect consumer safety, safeguard national security, and enhance product quality management.

In simple terms, if a power bank has passed 3C Certification, it means it has undergone strict safety testing by an authoritative body, ensuring higher reliability.

The 3C Certification for power banks is mainly based on the following standards:

1. GB 31241-2022– Safety Technical Specification for Lithium-ion Cells and Batteries for Portable Electronic Products

2. GB 4943.1-2022– Audio/Video, Information and Communication Technology Equipment – Part 1: Safety Requirements

3. GB/T 35590-2017– General Specification for Portable Digital Equipment Mobile Power Supplies

These standards set detailed requirements for electrical safety, battery safety, environmental adaptability, and performance of power banks.

Mandatory Test Items

Electrical Safety

1. Clear labeling– Packaging and the device must display clear warnings and instructions (e.g., “Do not disassemble” and “Keep away from fire”) to ensure safe usage from the start.

2. Electric shock protection– Tests insulation performance and safe distances between components, reducing the risk of accidental electric shock.

3. Energy control– Limits the energy accessible from exposed parts to avoid injury from excessive energy.

4. Flame resistance– The outer casing must meet at least V-1 grade flame-retardant standards, meaning it is difficult to ignite and will self-extinguish quickly.

5. Impact resistance– Tests casing strength and battery fixation to ensure the device can withstand drops or pressure without breaking apart and posing hazards.

Lithium Battery Safety

1. Protection under extreme conditions– Simulates overcharging, over-discharging, short circuits, and reverse charging to verify if the protection circuit works effectively, such as automatically cutting power during overcharge to prevent swelling or explosion.

2. Environmental endurance– Tests performance under high-temperature charging/discharging, rapid temperature cycling (e.g., from sub-zero to high heat), and even low-pressure high-altitude conditions to ensure stable operation.

3. Resistance to physical abuse– Subjected to vibration, drop, crush, and high-temperature tests to ensure the battery will not leak, ignite, or fail.

Other Hidden Requirements

1. Electromagnetic compatibility (EMC)– Ensures the power bank does not interfere with other electronics (like phones or headphones) and is not easily affected by external interference.

2. Low hazardous substances– While not the core of 3C Certification, products must comply with China RoHS standards, limiting lead, mercury, cadmium, and other toxic substances for both health and environmental protection.

About China JJR Testing Laboratory

China JJR Testing Laboratory offers China ccc certificationservices for power banks, as well as global compliance services including:

1. India:BIS, WPC

2. USA:FCC, California Prop 65, UL, cpsia, fcc id, CPC

3. Europe:CE, RoHS, EN 71, RED, REACH

4. Japan:MIC, PSE

5. Canada:ised

6. Korea:KC, KCC

7. China:SRRC, CCC

8. Singapore:IMDA, PSB

9. Russia:EAC

10. Australia & New Zealand:RCM

11. UK:ukca

...and more.