Standard No.:	GB/T 47283-2026
English Name:	Specification for defect monitoring and analysis of traction battery in battery swap scenarios
Chinese Name:	换电场景下动力蓄电池缺陷监测与分析规范
Chinese Classification:	T47    New energy vehicle and other automobiles
Professional Classification:	GB    National Standard
ICS Classification:	29.220.01 29.220.01    Galvanic cells and batteries in general 29.220.01
Source Content Issued by:	SAMR; SAC
Issued on:	2026-02-27
Implemented on:	2026-6-1
Status:	to be valid
Target Language:	English
File Format:	PDF
Word Count:	14500 words
Translation Price(USD):	435.0
Delivery:	via email in 1~5 business day

GB/T 47283-2026 Specification for defect monitoring and analysis of traction battery in battery swap scenarios English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS CCS National Standard of the People's Republic of China ‌GB/T 47283-2026 Specification for defect monitoring and analysis of traction battery in battery swap scenarios 换电场景下动力蓄电池缺陷监测与分析规范 Issue date: 2026-02-27 Implementation date: 2026-09-01 Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China the Standardization Administration of the People's Republic of China Contents Foreword 1 Scope 2 Normative References 3 Terms and Definitions 4 Abbreviations 5 Defect Monitoring and Analysis Procedure 6 Defect Monitoring 6.1 Information Collection 6.2 Identification of Defective Traction Battery Scope 6.3 Hazard Impact Analysis 7 Defect Analysis 7.1 Overview 7.2 Operational Cycle Information Analysis 7.3 OTA Upgrade Information Analysis 7.4 In-depth Accident Information Analysis 7.5 Defect Engineering Analysis Testing 8 Defect Identification and Recall Annex A (Informative) Monitoring Methods for Traction Battery Pack Operational Indicators A.1 SOC Range Outlier A.2 Maximum Temperature Outlier A.3 Minimum Temperature Outlier A.4 Temperature Difference Outlier A.5 Insulation Resistance Outlier A.6 Data Efficiency Bibliography Specification for defect monitoring and analysis of traction batteries in battery swap scenarios 1 Scope This document establishes the defect monitoring and analysis procedure for traction batteries in battery swap scenarios, and specifies the requirements for defect monitoring, defect analysis, and defect identification and recall. This document applies to traction batteries used in battery-swap electric vehicles. Defect monitoring and analysis for traction batteries in non-battery-swap scenarios may be carried out by reference. 2 Normative References The following documents are essential for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 19596-2017 Terminology of electric vehicles GB/T 32895-2025 Communication protocol for battery swap box of electric vehicles GB/T 32960.3-202 Technical specification for remote service and management system for electric vehicles — Part 3: Communication protocol and data format GB/T 44130.1-202 Information exchange for electric vehicle charging and battery swap service — Part 1: General requirements GB/T 45415-2025 Analysis method for fire defects of battery electric vehicles GB/T 47136-2026 Specification for health and safety status assessment of traction batteries for battery electric vehicles 3 Terms and Definitions For the purposes of this document, the terms and definitions given in GB/T 19596-2017 and the following apply. 3.1 battery swap The process of replenishing the electric energy of an electric vehicle by rapidly replacing the traction battery using a dedicated device or manual assistance. NOTE: The time required for a complete battery swap process generally does not exceed 5 minutes. [Source: GB/T 40032-2021, 3.1] 3.2 defect A condition that is common to automotive products of the same batch, type or category and that does not comply with national or industry standards for personal and property safety, or any other unreasonable risk endangering personal or property safety. [Source: GB/T 45415-2025, 3.3] 3.3 defect analysis A technical analysis activity carried out by the manufacturer, the recall authority or a recall technical institution regarding the existence of a defect in a product. [Source: GB/T 45415-2025, 3.4] 3.4 manufacturer A natural person, legal entity or other organisation that produces or supplies a product, or supplies a product under its name. [Source: GB/T 43387-2023, 4.1] 3.5 recall plan A specific implementation plan formulated by the manufacturer for a recall activity. [Source: GB/T 43387-2023, 5.20] 3.6 fault mode The observable or detectable manifestation of a component or product failure. [Source: GB/T 43388-2023, 3.3] 3.7 battery swap operation service platform A support system for collecting, processing and managing the operational data of electric vehicles and electric vehicle charging and swapping facilities, providing users with charging and swapping services, business management and information service functions. NOTE: The battery swap operation service platform mainly includes the battery swap station and the battery swap cloud platform. 3.8 traction battery pack A device consisting of several individual cells or traction battery modules, a box, battery information acquisition units and related electrical and mechanical accessories, etc. [Source: GB/T 40098-2021, 3.1] 3.9 vehicle enterprise service and management platform A system established by the vehicle manufacturer or entrusted to a third-party technical unit to manage the electric vehicles and users within its service scope and provide safe operation services and management. 3.10 static information Information representing the basic attributes of a product and records of events relating to changes in its state. 4 Abbreviations The following abbreviations apply to this document. BMS: Battery Management System OCV: Open Circuit Voltage SOC: State of Charge VIN: Vehicle Identification Number 5 Defect Monitoring and Analysis Procedure 5.1 When any of the following circumstances occurs, defect monitoring and analysis for traction batteries in battery swap scenarios shall be carried out: —— The manufacturer, the recall authority or a recall technical institution has conducted a preliminary analysis of alarm events or received defect clues regarding the traction battery, and it is preliminarily determined that the traction battery product may have design, manufacturing, labelling or other issues; —— Other circumstances where initiating defect monitoring and analysis is necessary. 5.2 The defect monitoring and analysis procedure is shown in Figure 1, mainly consisting of three parts: defect monitoring, defect analysis, and defect identification and recall. a) Defect monitoring includes: Information collection, including data items inside the battery swap station and during vehicle operation; Identification of the scope of potentially defective traction batteries, confirming whether the product is a defective traction battery pack involved in a vehicle within the manufacturer's recall plan;