China introduces National Standard for Lithium-Ion Battery Coding
22. May 2025China’s Ministry of Industry and Information Technology (MIIT), through its Electronics Department, has officially overseen the release of a new national standard titled GB/T 45565-2025 Coding Rules for Lithium-Ion Batteries. This standard is registered under the technical committee 339-1 and aims to regulate the coding system used for lithium-ion batteries manufactured or sold within the country. Many types of batteries usually require a battery registration to be approved or import and sale in China.

The primary drafting organizations involved in the development of this standard include the China Electronics Standardization Institute, BYD Lithium Battery Co., Ltd., Sunwoda Electronic Co., Ltd., Gotion High-Tech Co., Ltd. and others.
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