Amprius Technologies

Renewable Energy Semiconductor ManufacturingCalifornia, United States51-200 Employees

Amprius Technologies is a mid-sized company based in Fremont, California, operating in the renewable energy semiconductor manufacturing sector. It develops silicon anode lithium-ion batteries designed to be drop-in replacements for conventional cells, offering substantially higher energy density. The firm relies on a patented silicon anode platform, with commercially proven batteries that deliver high energy and power density, fast charging capability, wide operating temperature ranges, and long cycle life. These attributes align the company’s products with applications requiring extended flight times, greater payloads, or sustained uptime in electric mobility and related markets. 

The company targets customers in unmanned aerial vehicles, robotics, aerospace, and broader electric mobility sectors, where battery performance directly influences range, payload capacity, uptime, and system efficiency. In May 2026, Amprius announced a collaboration with Matternet to advance drone delivery capabilities.

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