HPQ Silicon Secures UL 1642 Certification for HPQ ENDURA+ Lithium-Ion Cells, Clearing Final Regulatory Barrier for U.S. Commercial Sales

Executive Summary

• HPQ Silicon’s ENDURA+ lithium‑ion cells (18650 4,000 mAh and 21700 6,000 mAh) received UL 1642 certification, clearing the final U.S. safety hurdle for commercial sales.
• With both UL 1642 and UN 38.3 certifications now secured, HPQ can move from validation to direct customer engagement, qualification programs, and early revenue generation in North America.
• The company signals an imminent shift toward volume planning, partnership structuring, and supply‑chain integration for U.S. OEMs and integrators.

Key Details

• Certification Scope: UL 1642 safety standard applied to HPQ ENDURA+ 18650 (4 kWh) and 21700 (6 kWh) cells.
• Prior Certification: UN 38.3 transport certification obtained on Dec 16, 2025; UL 1642 now completes core regulatory framework for U.S. market entry.
• Safety Test Highlights: Cells passed short‑circuit protection, overcharge/forced discharge resistance, thermal stability, mechanical impact/crush, and abuse tolerance tests.
• Commercial Impact: Removes a key qualification barrier, allowing HPQ to engage OEMs/integrators across electronics, mobility, embedded systems, and professional equipment markets without regulatory risk.
• Strategic Outlook: Company will focus on customer qualification, volume planning, partnership structuring, and scaling supply discussions in the United States.
• Leadership Quote: “UL 1642 gives OEMs and integrators confidence that safety has been engineered into the core of the product… This removes a key qualification hurdle and allows commercial conversations to focus on performance, scalability, and integration rather than regulatory risk.” – Bernard Tourillon, President & CEO.

Notable Quotes

• “Reaching this stage changes the nature of our discussions with the market… HPQ ENDURA+ is no longer being evaluated as a development program, but as a compliant product platform that can be integrated into existing supply chains.” – Bernard Tourillon, President & CEO.