What Are Lithium Battery ESS Certifications?

Lithium battery ESS certifications are third-party validations that confirm a product meets international safety, performance, and transport standards. Key certifications include:

• UL 9540 / UL 1973 – U.S. standards for ESS safety and battery systems.

• CE Marking – Mandatory for access to the European Economic Area (EEA).

• IEC 62619 / IEC 62933 – Global battery safety and ESS performance benchmarks.

• UN38.3 – Required for the safe transport of lithium batteries worldwide.

• Other Certifications – MSDS, RoHS, REACH, and FCC for environmental, chemical, and electromagnetic compliance.

Why ESS Certification Matters

Certified lithium battery ESS systems offer:

• Compliance with global regulations

• Enhanced fire safety and thermal protection

• Legality for shipping and insurance

• Smoother customs clearance and faster project approvals

• Improved buyer confidence and investment security

Certified ESS Applications

Certified systems are essential across a wide range of scenarios:

Residential solar storage

Commercial and industrial peak shaving

Utility-scale renewable integration

EV charging stations and backup power

Off-grid and remote infrastructure such as telecom or mining sites

Cost Factors for Certified ESS

The total cost of a certified ESS varies depending on:

• Battery chemistry (e.g., LFP vs. NMC)

• Certification scope (UL, CE, IEC, UN38.3)

• System size and voltage

• Integration complexity and software requirements

While certification increases initial investment, it reduces long-term operational and regulatory risks.

How to Choose a Certified ESS

• To ensure the right match for your project:

• Identify the target market's compliance standards

• Select verified suppliers with complete certification portfolios

• Ensure all major system components (battery, BMS, PCS, EMS) are certified

• Match voltage and capacity to application demands

• Request official documentation: certificates, test reports, declarations

Lifespan of Certified ESS Systems

High-quality certified lithium ESS solutions typically offer:

• 10–15 years of service life

• 8,000+ charge/discharge cycles

• Long-term performance at ≥70% SOH

• Enhanced durability from certified thermal and electrical protections

Certified ESS Product Line by Dagong ESS

Dagong ESS provides globally certified lithium battery storage systems designed to meet UL, CE, IEC, and UN38.3 standards—supporting applications from homes to large-scale utilities.

• Residential ESS (5kWh–80kWh)

Stackable System (5–80kWh): Modular design for flexible home energy use

Wall-Mounted Battery (5–10kWh): Sleek, compact, and scalable

Rack Cabinet (5–30kWh): Durable and easy-to-expand for light commercial needs

• C&I ESS (100kWh–372kWh)

Air-Cooled Cabinet (100–144kWh): Hybrid inverter built-in, IP54 rated

Air-Cooled Cabinet (215–241kWh): CTP design with fault monitoring

Liquid-Cooled System (215kWh & 372kWh): Advanced cooling, 8000+ cycles, 15+ years lifespan

• Utility-Scale Container ESS

3.35MWh Liquid-Cooled Container: High-efficiency thermal management, internationally certified

5MWh Air-Cooled Container: Scalable, transportable solution with remote monitoring and safety compliance

All systems are equipped with intelligent BMS/EMS platforms and support remote diagnostics.

For certified ESS solutions tailored to global compliance and performance standards, contact Dagong ESS:

Email: sales@dagongess.com
Website: www.dagongess.com