As the global demand for renewable energy and energy storage technology continues to grow, the European market has put forward strict requirements on the safety and performance of energy storage batteries and systems. To enter the European market, energy storage products must comply with relevant CE certification standards. SCU takes you to understand the certification standards for industrial and commercial energy storage systems and their impact on energy storage systems.
1. Low Voltage Directive (LVD)
Related standards: IEC/EN 62477-1
Scope of application: Safety requirements for power electronic conversion systems and equipment, including inverters, converters, etc.
Main contents:
Electrical safety (protection against electric shock, short circuit, etc.)
Mechanical safety (structural stability)
Thermal safety (prevent overheating)
Impact on the battery energy storage system: Ensure the safety of power electronic equipment and reduce the risk of failure.
2. Electromagnetic Compatibility Directive (EMC)
Related standards: IEC/EN 61000 series (IEC/EN 61000-6-1, IEC/EN 61000-6-2, IEC/EN 61000-6-3, IEC/EN 61000-6-4)
Scope of application: All electrical and electronic equipment, including battery energy storage systems.
Main contents:
Electromagnetic interference (EMI): Limit the electromagnetic interference generated by the equipment.
Anti-interference ability: Ensure the normal operation of the equipment in a complex electromagnetic environment.
Influence on the battery energy storage system: Improve the compatibility of the system in the power grid environment and reduce electromagnetic interference.
3. Energy storage system safety standards
Related standards: IEC/EN 62933-5-2
Scope of application: Safety of battery energy storage systems (BESS).
Main contents:
Battery system design safety (battery module, BMS, thermal management system)
Operational safety (charge and discharge stability)
Fault protection (overcharge, over discharge, short circuit, etc.)
Impact on the battery energy storage system: Improve overall safety and reduce risks such as fire and explosion.
4. Industrial lithium battery safety standards
Related standards: IEC/EN 62619
Scope of application: Industrial lithium batteries, including lithium battery packs in energy storage systems.
Main contents:
Electrical safety (overcharge, over discharge, short circuit protection)
Mechanical safety (vibration, impact test)
Environmental safety (high and low temperature performance test)
Impact on the battery energy storage system: Ensure the safety and reliability of lithium batteries and extend their service life.
5. Machinery Directive
Related standards: IEC/EN 60204-1
Scope of application: Mechanical and electrical equipment of energy storage systems.
Main contents:
Safety design of equipment
Safety of electrical control systems
Impact on the battery energy storage system: Ensure the safety of mechanical and electrical equipment.
6. Battery Directive
Related standards: 2006/66/EC
Scope of application: Environmental and safety requirements for batteries and accumulators.
Main contents:
Restriction of hazardous substances (such as lead, cadmium, mercury)
Battery recycling and environmental protection requirements
Impact on battery energy storage systems: Ensure the environmental protection and sustainability of batteries.
7. Radio Equipment Directive (RED)
Related standards: EN 301 489 series
Scope of application: Equipment with wireless communication functions in energy storage systems (such as remote monitoring modules).
Main contents:
Compliance with radio spectrum use
Electromagnetic compatibility (EMC)
Impact on battery energy storage systems: Ensure the compliance and safety of wireless communication equipment.
| Standard Code | Directive/Field | Description |
| EN 62477-1 | Low Voltage Directive (LVD) | Applies to safety requirements for power electronic conversion systems and equipment, ensuring electrical devices operate within safe voltage ranges. |
| EN 61000 Series | Electromagnetic Compatibility (EMC) Directive | Ensures equipment operates normally in electromagnetic environments without causing interference to other devices. |
| EN 62933-5-2 | Energy Storage System Safety | Specifies safety requirements for electrochemical energy storage systems, particularly for installation, commissioning, operation, and maintenance-related safety measures. |
| EN 62619 | Industrial Lithium Battery Safety | Focuses on safety requirements for industrial lithium batteries, covering design, manufacturing, and testing to ensure safety in industrial applications. |
| EN 60204-1 | Machinery Directive | Covers safety requirements for electrical systems in machinery, ensuring compliance with safety regulations. |
| 2006/66/EC | Battery Directive | Restricts the use of hazardous substances and promotes battery recycling and disposal to reduce environmental impact. |
| EN 301 489 Series | Radio Equipment Directive (RED) | Defines electromagnetic compatibility and spectrum usage requirements for radio equipment, ensuring compatibility and safety in wireless environments. |
Summary
These certifications cover multiple aspects such as electrical safety, mechanical safety, thermal safety, electromagnetic compatibility, environmental friendliness, and wireless communication compliance, ensuring that battery energy storage systems meet the strict requirements of the European market. By obtaining these certifications, companies can prove the high safety and reliability of their products and smoothly enter the European market.