Richardson Electronics, Ltd. Expands Its Energy Storage Portfolio with RESS211 and RESS422 Commercial Battery Energy Storage Systems

LAFOX, Ill., Aug. 04, 2026 (GLOBE NEWSWIRE) -- Richardson Electronics, Ltd. (NASDAQ: RELL), a global provider of engineered solutions for power, microwave, and energy storage applications, today announced the expansion of its Richardson Energy Storage Solutions (RESS™) (link) branded portfolio with the introduction of the RESS211 and RESS422 commercial battery energy storage systems (BESS). Together with the previously introduced RESS760 platform, the Company now offers a broader portfolio of scalable energy storage solutions for a wide range of commercial and industrial (C&I) applications.

The addition of the RESS211 and RESS422 systems marks another milestone in Richardson Electronics' strategy to expand its commercial battery energy storage system offerings. As businesses seek to reduce energy costs, improve resiliency, and modernize their electrical infrastructure, the Company's growing RESS™ portfolio offers flexible solutions for peak demand management, backup power, renewable energy integration, and participation in utility demand response and other utility incentive programs.