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Testing Lab of Battery and Electric Vehicle ProductsGuangdong ESTL Technology co.,Ltd.
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Current location: Home > News > Certification news > Certification information
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Address: 2st floor, B Area, Jinbaisheng Industrial Park, Headquarters 2 Road, Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Pr., China.
Editor:ESTL Category:Certification information Release time:2026-09-30 Click volume:5
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Power banks are subject to China Compulsory Certification (CCC): without a valid certificate they may not leave the factory, be sold or be imported. With the air-travel rule for the CCC mark already in force and the new GB 47372-2026 standard taking effect, the compliance threshold keeps rising. This guide sets out the policy background, applicable standards, test items, application process and transition arrangements for power bank manufacturers and exporters.
From voluntary certification to mandatory market access — and now tighter standards
A power bank is an application product of lithium-ion cells and batteries for portable electronic equipment. In recent years, incidents of overheating and self-ignition caused by substandard cells or poorly designed protection circuits have drawn regulatory attention, and mobile power supplies were formally brought into the scope of China Compulsory Certification, with certification bases and post-certification supervision progressively tightened.
Certified manufacturers are subject to classified supervision, and flight inspections have been increased to twice a year; fraudulent certification and misuse of certificates are strictly investigated. According to public information, in the first half of 2025 alone certification bodies suspended more than 8,000 CCC certificates and revoked several hundred certificates held by power bank and cell manufacturers — obtaining a certificate is only half the task; remaining compliant afterwards matters just as much.
Two standards in force plus one newly added, covering whole-product safety and battery safety
| Standard | Title | Focus of assessment |
|---|---|---|
| GB 4943.1-2022 | Audio/video, information and communication technology equipment — Part 1: Safety requirements | Whole-product electrical safety: markings and instructions, protection against electric shock, energy hazards, creepage distances, touch current, enclosure flammability, mechanical construction and reliability of battery retention. |
| GB 31241-2022 | Safety technical specification for lithium-ion cells and batteries used in portable electronic equipment | Battery safety: overcharge protection, over-discharge protection, short-circuit protection, reverse-charge protection, high-temperature charge and discharge, temperature cycling, low air pressure, vibration, impact, crush, drop and thermal abuse. |
| GB 47372-2026 (new) | Safety Technical Specification for Mobile Power Supplies | Product-specific safety requirements for mobile power supplies: newly added nail penetration and lithium plating assessment, crush testing changed from flat-plate to round-bar with maximum force tightened from 13 kN to 20 kN, and mandatory unique product identification coding. |
Type testing covers whole-product safety and battery safety
Markings and instructions, protection against electric shock (insulation, dielectric strength, touch current, creepage distances), energy hazard limits, fire protection (enclosure flammability rating), mechanical construction strength and battery retention reliability.
Electrical items such as overcharge protection, over-discharge protection, external short circuit and reverse-charge protection; environmental items including high-temperature charge and discharge, temperature cycling and low air pressure; mechanical items including vibration, impact, crush and drop; hot storage and thermal abuse assessment.
Nail penetration and lithium plating assessment are newly added; crush testing is tightened — flat-plate crush is replaced by round-bar crush and the maximum force increases from 13 kN to 20 kN. For outdoor portable power supplies, thermal runaway assessment also applies.
Nameplates must accurately state rated capacity, rated energy in Wh and input/output parameters. The rated energy marking is a key checkpoint for air transport and market supervision, and must match the sample submitted for testing.
Factory inspection before certificate issuance and sampling at the production site — the key changes from the old model
Apply to a CCC certification body designated by CNCA, providing basic credentials such as business licences for the applicant, the manufacturer and the production plant, together with the technical documentation.
The certification body reviews the application and confirms the certification units, applicable standards and test plan. Products sharing the same circuit board, construction and cell type may form one unit, while different capacities may be covered by difference testing rather than a full repeat of all tests.
Testing is carried out item by item by a CCC-designated laboratory to GB 4943.1-2022, GB 31241-2022 and — where the applicant so chooses — the new GB 47372-2026 rules, and a test report is issued.
Auditors conduct an on-site inspection of the production plant, covering incoming inspection, component control, product conformity, production records and finished-product inspection capability. ODM arrangements must complete the factory inspection in the same way.
Once type testing and factory inspection are both satisfactory, the CCC certificate is issued. Certificate information is publicly searchable on the national certification and accreditation public service platform, after which the CCC mark may be applied by moulding or labelling.
Certificates are valid for five years. During validity, holders undergo annual supervision and sampling, and flight inspections take place twice a year to ensure continued conformity.
E-commerce, OEM/ODM and outdoor power supplies
Major Chinese e-commerce platforms require a valid CCC certificate for the power bank category. Products without one are removed from listings and may face inspection and penalties by market regulators.
A brand owner may apply in its own name and register the contract manufacturing plant; completing the factory inspection is sufficient. Contract manufacturing does not prevent certification in the normal way.
These follow the same CCC implementation rules for mobile power supplies, with stricter battery safety testing. Under the new standard, products with a rated energy above 160 Wh are also subject to thermal runaway assessment.
Until 31 March 2027 the new or old rules may be chosen; from 1 April the certificate must be amended under the new rules, with the newly added test items assessed so that product sales are not affected.
From new product applications, certification unit assessment and CQC certificate conversion to difference testing and certificate conversion under the new GB 47372-2026 rules, we can provide the corresponding technical support and testing services.
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