Cybersecurity built-in: LONGi BMS now IEC 62443-4-2 certified

By LONGi Energy Storage
May 4, 2026
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LONGi Energy Storage’s BMS has achieved IEC 62443-4-2 certification for technical security, following IEC 62443-4-1 certification for secure development lifecycle, validating cybersecurity capabilities at both process and product levels.

While IEC 62443-4-1 focuses on secure development processes, IEC 62443-4-2 evaluates embedded cybersecurity functions within a product itself, including identification and authentication control, access management, system integrity and data confidentiality.

With the dual certifications, LONGi strengthens end-to-end cybersecurity assurance from product design to deployment, through robust security barriers and effective counter-measures against evolving cyber risks.

As cybersecurity becomes increasingly critical, LONGi Energy Storage remains committed to delivering secure, reliable and resilient energy storage solutions to global markets.