Amprius Technologies, Inc. AMPX

What this company does

Amprius Technologies, Inc. develops, manufactures and markets lithium-ion batteries for mobility applications, including aviation, ground and marine vehicles. Currently, the company's batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems (UAS), such as drones and high-altitude pseudo satellites (HAPS). From inception through December 31, 2025, the company has shipped over 4.2 million battery cells, which have enabled mission critical applications. Upon consummation of the business combination, Kensington changed its jurisdiction of incorporation by domesticating as a corporation incorporated under the laws of the State of Delaware and changed its name to Amprius Technologies, Inc. As of December 31, 2025, the company's total headcount was 109, which consisted of 97 full-time employees and 12 temporary hires and contractors, primarily located at its headquarters in Fremont, California.

Written from the business description in Amprius Technologies, Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 6 March 2026. Every sentence was checked against that document before publication.