Safety Standard EN 50604 for Secondary Lithium Batteries in Light Electric Vehicles (EN 50604-1) - Enforcement Date
Safety Standard EN 50604 for Secondary Lithium Batteries in Light Electric Vehicles (EN 50604-1) - Enforcement Date
About the Standard:
On August 23, 2023, the European Committee for Standardization (ECN) released the new standard EN 15194:2017+A1:2023 for electric-assisted bicycles, which will become mandatory on August 23, 2025. The new standard's battery testing requirements have removed the reference to EN 62133 and instead establish the new EN 50604-1 as the sole standard for determining safety requirements for EPAC batteries. EN 50604-1 is the safety standard for secondary lithium batteries in light electric vehicles.
Scope of Application:
Light-duty electric vehicles include all electrically driven vehicles in categories L1 to L7 as defined by ECE/TR ANS-WP29-78r2e, as well as all electrically driven or assisted bicycles, including plug-in hybrid road vehicles (PHEVs), that derive all or part of their energy from an onboard rechargeable energy storage system (RESS). Based on the battery pack voltage, they are currently divided into two categories:
a) Category A: Maximum operating voltage ≤30V ac (rms) or ≤60V dc.
b) Category B: Maximum operating voltage (>30 and ≤1000) V ac (rms) or (>60 and ≤1500) V dc. According to the standard, the battery management system must be able to protect the battery system from damage, monitor and extend its service life, maintain its functional status, and evaluate and control the battery cells, cell packs, and batteries to ensure they operate within the conditions specified by the battery manufacturer.
Application Area: Europe
Mandatory: Effective August 23, 2025
Test Standard: EN 50604-1:2016+A1:2021
Test Items:
Mechanical Testing: Vibration Test, Mechanical Shock, Drop Test, and Sunlight Exposure for Thermoplastic Materials;
Climatic Testing: Condensation Test, Thermal Shock Cycle;
Simulation Testing: Extrusion Test, Water Immersion Test, Overtemperature Test, and Low-Temperature Test;
Electrical Testing: Short-Circuit Test;
System Functional Testing: Overcharge Protection, Over-Discharge Protection, Thermal Control/Cooling Failure, and Deep Discharge Protection.
Test Samples: 26 battery packs (13 of which are unsealed and unsealed to facilitate cell temperature location) + 1 empty outer shell (excluding internal cells) + 1 BMS
Turnaround: 9-10 weeks
Validity Period: Updated based on standards
Factory Inspection Required: No
Required Documents:
1. Project Application Form;
2. Battery and battery pack specifications, CDF safety critical component list, battery pack circuit diagram and layout, etc.;
3. Other documents to be confirmed by engineers based on actual product after project opening
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