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The full process of UN38.3 certification for power banks: From technical assessment to report delivery, step breakdown

Author:中认联科 time:2025-10-29 Ctr:24

As a commonly used portable charging device, power banks cannot do without UN38.3 certification whenever they are involved in air transportation, entering regular markets or doing cross-border business. It is a safety compliance requirement specifically for products containing lithium batteries. Simply put, it is to "insure" the transportation and sale of power banks. Without it, many things cannot be done.

I. Why must power banks obtain UN38.3 certification?

This certification is not optional but a key to solving practical problems. It mainly has three functions:

1. Transportation can pass security checks: Lithium batteries in power banks fall under the category of dangerous goods. Whether sent by air express or cross-border sea freight, without UN38.3 certification, the logistics provider will not accept the package at all. The goods will be directly stuck in the transportation process and cannot be delivered to the customer.

2. Proving product safety: Certification will conduct a series of safety tests, such as simulated drops and impacts, high and low temperature environments, and short-circuit protection, which can help identify whether the product has the risk of fire or explosion. Whether it is for customers to see or for oneself to control quality, there is a solid basis.

3. Be able to enter the regular market: Whether it is domestic e-commerce platforms, offline chain stores, or foreign sales channels, they basically all require UN38.3 certification. Without it, the product won't even have the qualification to be listed, let alone open up sales channels.

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Ii. What should be prepared in advance for applying for certification?

There's no need to gather a bunch of complex materials. The core is just three things. It's very convenient to sort them out in advance

1. Qualified samples: Prepare 2-3 power banks that are exactly the same as the ones you actually sell. Do not use samples that have not been finalized; they must be mass-produced versions. Only in this way can the test results be valid.

2. Basic information: Product manual (clearly stating basic parameters such as capacity, charging voltage, and cell type). If the cells are purchased from outside, simply ask the supplier for a specification sheet of the cells.

3. Application Form: We will provide a ready-made form. You just need to fill in the company name, product model, and contact information, and affix the official seal. There's no need to figure out the format yourself.

Iii. Certification Processing procedures: Follow them without detours

The entire process is very transparent and can usually be completed within 1 to 2 weeks. The steps are simple and clear

1. First, connect the requirements: You clearly explain the product situation to us, such as its capacity and the planned transportation method. We will confirm the testing requirements and time.

2. Submit samples and materials: Send the prepared samples and materials over. After we verify that there are no issues, we will arrange for them to be tested in the laboratory.

3. Conduct safety tests: Conduct tests in accordance with the UN38.3 standard to ensure that the product meets safety requirements. If there are any minor issues during the testing process, we will promptly communicate with you for rectification.

4. Issue reports and certificates: After the test is passed, we will issue the official certification report and certificate as soon as possible. Both electronic and paper versions will be provided to you for your convenience in transportation, shelving and other processes.

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In fact, the UN38.3 certification is the "pass" for power banks to be compliant and on the road. Whether you are a novice in this field or an experienced merchant who has been doing cross-border business for a long time, if you want to avoid detours and ship smoothly, obtaining this certification is very necessary. If you choose ZRLK, we can help you sort out the materials and follow up on the tests, making the entire process smoother and eliminating the need for you to worry about the details yourself.

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