HPQ ENDURA+ Gen4 lithium-ion cells earn UL 1642 safety certification with 8.3% higher capacity than Gen3.

HPQ Silicon Inc. announced that its HPQ ENDURA+ Gen4 21700 lithium-ion cells have achieved UL 1642 safety certification, a key industry standard for commercial lithium-ion batteries. The Gen4 cells offer a 6,500 mAh capacity, an 8.3% increase over the previous Gen3 platform, while maintaining safety and reliability. This certification supports customer qualification, battery pack integration, and commercial evaluations, advancing HPQ's strategy to commercialize its silicon-anode battery technology. The company will continue working with partners and customers to expand market adoption in sectors like mobility, energy storage, and defense.