New UL Standard Published: UL 1487, Battery
The first edition of UL 1487, the Standard for Battery Containment Enclosures, was published on February 10, 2025, by UL Standards &
2.1.6 Show compliance with Underwriters Laboratories (UL) Standard 9540, applicable to all battery systems, except lead-acid batteries, UL 9540A for large-scale fire test, CFC 1207.1.5, UL 1741 for utility interactive systems, CFC 1207.3.3, and UL 1973 applicable to all battery types except lead-acid.
The storage cavity energy containment rating (SCECR) forms the basis of the size of the fuel package, and the storage cavity with the largest SCECR is tested. Second, there is an internal deflagration test that exposes the product to ignition of a standardized flammable mixture inside the product.
The layout should accommodate: 2. Structural Requirements Floor loading capacity is critical - industrial batteries typically weigh 1500-3000 kg/m². For VLA (flooded) batteries, acid-resistant floor coatings compliant with AS/NZS 2430.3.2 are required.
Battery containment enclosures certified by UL Solutions to UL 1487 can be found in the online certification directory, UL Product iQ®. Product iQ is available to use at no cost but requires a one-time registration.
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