APsystems Achieves Key Safety Milestone with APstorage 261L UL 9540A Test Success

SHANGHAI, Sept. 3, 2026 /PRNewswire/ -- APsystems has reached a major safety milestone for its commercial and industrial (C&I) energy storage portfolio. Under the witness of TÜV Rheinland, the APstorage 261L liquid-cooled storage solution successfully passed the rigorous UL 9540A fire...