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ShenzhenMay 14, 2026 /PRNewswire/ — At the 15th China International Battery Fair (hereinafter referred to as “CIBF“),TÜV SÜD (hereinafter referred to as “TÜV SÜD“) officially issued theUL1973:2022 NRTL certification certificate to Shanghai PaiZhi Energy Co., Ltd. (hereinafter referred to as “Shanghai PaiZhi”) for its integrated energy storage battery product, marking that the product has passed North American safety certification and obtained market access qualification for the North American market.As an NRTL (Nationally Recognized Testing Laboratory) officially recognized by OSHA (Occupational Safety and Health Administration), TÜV SÜD possesses a complete chain of capabilities in testing, certification, and factory surveillance. The issuance of this certificate to Shanghai PaiZhi fully demonstrates TÜV SÜD’s service strength in the field of North American energy storage certification.
UL1973:2022 is the safety standard for stationary energy storage batteries. NRTL refers to certification issued by a laboratory officially recognized by OSHA in the United States, a safety qualification recognized by North American law. TÜV SÜD conducted a full range of rigorous tests on Shanghai PaiZhi’s integrated energy storage battery product in accordance with the requirements of UL1973:2022, ensuring compliance with the safety requirements for energy storage equipment in the North American market.
Shanghai PaiZhi’s receipt of this certification is not an endpoint but a starting point for ongoing compliance. The NRTL certification requires four on-site factory audits per year for certified companies, covering the full spectrum of production line consistency, critical component control, in-process quality inspection, testing equipment calibration, and quality traceability systems. This high-frequency rigorous review mechanism not only fully demonstrates Shanghai PaiZhi’s ultimate pursuit of high product quality and sustained stable compliance but also sets higher standards for TÜV SÜD’s technical capabilities, audit expertise, and full-process control system.
Mr. Yang Lijuan, Manager of the Energy Storage Solutions Department at Shanghai PaiZhi, stated that obtaining the UL1973:2022 NRTL certificate from TÜV SÜD significantly reduces market access costs and compliance risks for Shanghai PaiZhi in the North American market. The acquisition of this certificate is not only a pass for Shanghai PaiZhi’s integrated energy storage battery product to enter the North American market but also a brand commitment by Shanghai PaiZhi to uphold high quality, high safety, and high reliability. In the future, Shanghai PaiZhi will continue to refine product performance and quality systems, providing global users with safer, more efficient, and more stable energy storage solutions. By solidifying the foundation for brand expansion overseas with core quality, the company will steadily expand its presence in the global new energy market.
Mr. Zhang Min, General Manager of TÜV SÜD New Energy Vehicle Testing (Jiangsu) Co., Ltd., stated that TÜV SÜD has been deeply involved in battery-related testing and certification services for many years, possessing a global network of laboratories and a senior technical team. In the future, TÜV SÜD will continue to provide one-stop solutions for Chinese battery companies with a professional and rigorous attitude, helping more high-quality battery products efficiently reach global markets and promoting the safe, orderly, and high-quality development of the global new energy industry.