ACE Safety: Sungrow PowerKeeper Achieves Industry-First Triple UL 9540A Certification
PR Newswire —
HEFEI, China, April 7, 2026 /PRNewswire/ -- Sungrow's commercial and industrial (C&I) energy storage system PowerKeeper has successfully completed cell, module, and unit-level thermal runaway tests under the UL 9540A standard, becoming the industry's first modular DC-coupled C&I ESS to...