HPQ Silicon ENDURA+ Gen4 21700 lithium-ion cells win UL 1642 safety certification

• HPQ Silicon’s ENDURA+ Gen4 21700 lithium-ion cell platform received UL 1642 safety certification from an accredited independent testing lab.
• Certification covers a 6,500 mAh cell, up 8.3% from the previously certified Gen3 platform’s 6,000 mAh.
• The clearance supports customer qualification, battery-pack integration work, commercial evaluations, and partnership talks.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. HPQ Silicon Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202607200730PRIMZONEFULLFEED9764649) on July 20, 2026, and is solely responsible for the information contained therein.