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HPQ ENDURA+ Gen4 21700 Cell Platform Achieves UL 1642 Safety Certification

$HPQPress releaseJul 20, 2026, 7:30 AM ETRead the release

HPQ Silicon Inc. announced that its HPQ ENDURA+ Gen4 21700 lithium-ion cell platform has achieved UL 1642 safety certification, marking a key commercialization milestone for the company's silicon-anode technology. The Gen4 platform is certified at 6,500 mAh, offering an 8.3% capacity increase over the previous Gen3 platform while maintaining compliance with widely recognized U.S. safety standards.

Key figures

Gen3 capacity m Ah
6000
Gen4 capacity m Ah
6500
Capacity increase pct
8.3

AI analysis

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    HPQ: HPQ ENDURA+ Gen4 21700 Cell Platform Achieves UL 1642 Safety Certification — AI Analysis | Signal8