e-Book: An Inside Look at the Updates to UL 9540A:2025

UL Solutions

Explore the key updates in UL 9540A:2025, including enhanced testing methods and more

UL 9540A, the Standard Test Method for Evaluating Thermal Runaway Fire Propagation in Battery Energy Storage Systems, is a critical Standard that addresses the safety of battery energy storage systems (BESS) by evaluating the thermal runaway fire propagation potential. This Standard has evolved significantly throughout its editions, with the fifth edition released in March 2025.

The latest version incorporates valuable insights from past testing experiences and incidents to enhance the fire safety measures for energy storage technologies that are increasingly used across various sectors.

The updates to UL 9540A:2025 are integral to promoting safety in the ever-evolving domain of battery energy storage systems. By refining testing methodologies and clarifying definitions, UL Solutions is setting a stronger foundation for assessing thermal runaway risks. These enhancements not only address current challenges but also adapt to the technological advances within the battery storage landscape.

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e-Book: An Inside Look at the Updates to UL 9540A:2025

Explore the key updates in UL 9540A:2025, including enhanced testing methods and more

UL Solutions

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Topic World Battery Technology

The topic world Battery Technology combines relevant knowledge in a unique way. Here you will find everything about suppliers and their products, webinars, white papers, catalogs and brochures.

30+ products
150+ companies
40+ whitepaper
25+ brochures
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Topic World Battery Technology

Topic World Battery Technology

The topic world Battery Technology combines relevant knowledge in a unique way. Here you will find everything about suppliers and their products, webinars, white papers, catalogs and brochures.

30+ products
150+ companies
40+ whitepaper
25+ brochures