TDS PDF

Energy Storage Systems and Equipment (Edition 2, published February 27, 2020; revisions through April 9, 2021). Original standard UL 9540 2021-04 in PDF full version. Additional info + preview on request

Document status: Replaced by

Energy Storage Systems and Equipment (Edition 3, June 28, 2023). Original standard UL 9540 2023-06 in PDF full version. Additional info + preview on request

Document status: Active

Energy Storage Systems and Equipment (Edition 3, published June 28, 2023; revisions through March 7, 2025). Original standard UL 9540 2025-03 in PDF full version. Additional info + preview on request

Document status: Active

Test Method for Evaluating Thermal Runaway Fire Propagation in Battery Energy Storage Systems (Edition 4, November 12, 2019). Original standard UL 9540A 2019-11 in PDF full version. Additional info + preview on request

Document status: Replaced by St UL 9540A 2025-03

Test Method for Evaluating Thermal Runaway Fire Propagation in Battery Energy Storage Systems (Edition 5, March 12, 2025). Original standard UL 9540A 2025-03 in PDF full version. Additional info + preview on request

Document status: Replaced by St UL 9540A 2026-03

Test Method for Evaluating Thermal Runaway Fire Propagation in Battery Energy Storage Systems (Edition 6, March 13, 2026). Original standard UL 9540A 2026-03 in PDF full version. Additional info + preview on request

Document status: Active