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GB/T 47971.2-2026Guidelines for the safety evaluation of electric vehicle traction batteries — Part 2: Battery pack and system (English PDF)

电动汽车动力蓄电池安全评价指南　第2部分：电池包及系统

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 30, 2026

Implementation date

February 1, 2027

Scope

GB/T 47971.2-2026 is the English-translated version of 电动汽车动力蓄电池安全评价指南　第2部分：电池包及系统.

GB/T 47971.2-2026 is the Chinese standard "Guidelines for the safety evaluation of electric vehicle traction batteries — Part 2: Battery pack and system". Its scope clause reads: This document provides a safety evaluation system and related tests for battery packs and systems used in electric vehicles (hereinafter referred to as "batteries").

This document applies to the safety evaluation of power battery packs or systems used in electric vehicles. Its clauses include terms and definitions; symbols and abbreviations.

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Document preview — GB/T 47971.2-2026

National Standard of the People's Republic of China

ICS: 43.120
Classification: T 47

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1.Scope1
2 Normative references1
3.Terms and Definitions1
4.Symbols and Abbreviations1
5.Safety Evaluation System2
6.Test conditions3
References18

1 Scope

This document provides a safety evaluation system and related tests for battery packs and systems used in electric vehicles (hereinafter referred to as "batteries").

This document applies to the safety evaluation of power battery packs or systems used in electric vehicles.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 2423.18-2021 Environmental testing – Part 2.Test methods – Test Kb. Salt spray, alternating (sodium chloride solution)

GB/T 2423.43 Environmental testing of electrical and electronic products – Part 2.Test methods – Vibration, shock and similar dynamic test specimens

Installation of products

GB/T 10125-2021 Corrosion Test in Artificial Atmospheres - Salt Spray Test

GB 18384 Safety Requirements for Electric Vehicles

GB/T 31467-2023 Test methods for electrical performance of lithium-ion power battery packs and systems for electric vehicles

GB/T 37337-2019 Occupant protection in side pole collisions of automobiles

GB 38031-2025 Safety requirements for power batteries for electric vehicles

ISO 19453-6 Environmental conditions and testing of electrical and electronic equipment for electric drive systems of road vehicles – Part 6.

Power battery packs and systems (Road vehicles - Environmental conditions and testing for electrical and electronic) equipment for drive system of electric propulsion vehicles-Part 6.Traction battery packs and systems)

3 Terms and Definitions

The terms and definitions defined in GB 38031-2025 apply to this document.

4 Symbols and Abbreviations

The following symbols apply to this document.

I3.3 h rate discharge current (A), the value of which is equal to 1/3 of the rated capacity value.

4.2 Abbreviations

The following abbreviations apply to this document.

BCU. Battery Control Unit […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.

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