GB/T 31467.1-2015 focuses on lithium-ion power battery packs and systems for electric vehicles, targeting high-Power application scenarios. The standard is Part 1, which specifies test procedures in detail, covering key items such as capacity testing, Power characteristic testing, and cycle life testing of battery packs and systems. Through a unified and standardized test process, the performance of products under high Power can be accurately evaluated, providing an important basis for related Product Research & Development, mass control and market access, and helping to promote the development of the electric vehicle industry.