Underwriters LaboratoriesUL 1973Standard for Batteries for Use in Stationary and Auxiliary Power Applications.Referenced across 3 Anvilfield field guides. Field guides that apply UL 1973DatacenterDatacenterData center battery and storage typesDatacenterLithium-ion thermal runaway safetyDatacenterRack BBU and ride-through Often cited alongsideNFPA 855UL 9540UL 9540AASHRAE Guideline 21IEEE 1184IEEE 1188IEEE 1635IEEE 450 Compare your optionsVRLA battery vs Lithium-ion battery Browse all codes and standards