This standard specifies the safety requirements, test methods, and inspection rules for power batteries used in electric vehicles (hereinafter referred to as batteries). This standard is applicable to lithium-ion batteries and nickel metal hydride batteries loaded on electric vehicles, as well as individual and module batteries. Other types of batteries shall refer to it. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 2900.41 Electrotechnical Terminology - Primary Batteries and Batteries - GB/T 19596 Electric Vehicles - Terminology 3- Terms and Definitions - The following terms and definitions defined in GB/T 2900.41 and GB/T 19596 apply to this document. 3.1 Single cell secondary cell is a basic unit device that directly converts chemical energy into electrical energy, including electrodes, separators, electrolytes, housings, and terminals, and is designed to be rechargeable. 3.2 Battery module: A combination of more than one single battery in series, parallel, or series parallel, with only one pair of positive and negative output terminals, used as a power source
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