HPQ Silicon's ENDURA+ Gen4 Batteries Clear UN 38.3 Hurdle for Defense and Drone Markets — HPQ Silicon Inc.

Event summary

HPQ Silicon's ENDURA+ Gen4 21700 lithium-ion battery cells achieved UN 38.3 certification, enabling international shipments for customer qualification in drone and defense sectors.
The company is supporting multiple customer qualification programs with participants in the drone and defense industries.
Global defense battery demand exceeded 4 GWh in 2025, with nearly 40% driven by unmanned drone systems.
HPQ developed the AA NOVA 6S3P drone battery pack for a European manufacturer, targeting the $35 billion military drone market projected to exceed $109 billion by 2031.

The big picture

HPQ Silicon's UN 38.3 certification is a critical step in its commercialization strategy, aligning with the rapid growth of the military drone market. The company's focus on high-value defense and drone applications positions it to capture significant market share as demand for advanced battery technologies accelerates. With exclusive North American rights under the HPQ ENDURA+ brand, the company is well-positioned to capitalize on the expanding energy storage and clean hydrogen markets.

What we're watching

Market Penetration: How HPQ's strategic focus on drone and defense markets will position it for broader battery market expansion as customer qualification progresses.
Regulatory Compliance: Whether the UN 38.3 certification will accelerate international adoption of ENDURA+ batteries in high-value applications.
Technological Advantage: The pace at which HPQ can scale production capacity to meet growing demand for lighter, higher-energy battery solutions.