Amprius Technologies
Amprius Technologies, Inc. is based in Fremont, California, and specializes in advanced lithium-ion battery manufacturing. The company is known for its proprietary silicon anode technology, which enables the production of high-energy-density cells. Amprius has transitioned from research and development to commercial-scale production, achieving significant milestones such as launching kilowatt-hour manufacturing and expanding into megawatt-hour and gigawatt-hour production. The company produces silicon anode lithium-ion batteries designed for applications that require lightweight and high-capacity power solutions. Amprius focuses on scalability and has developed manufacturing capabilities that support large-scale partnerships. The company collaborates with various entities in sectors like aerospace and energy storage, emphasizing a customer-first approach to deliver tailored battery solutions. Amprius is committed to innovation and adapting to market demands in the battery technology landscape.
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Headcount trend
Amprius Technologies went from 72 employees in Oct 2024 to 90 in Sep 2026. Apr to Sep 2026: 10 people joined, 6 left.
Org structure
Headcount by department
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 1 filings.
Peer reviews
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Hiring now
Base Salary:
$120k - $160k
Base Salary:
$120k - $190k
Base Salary:
$96.1k - $155.8k
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Amprius Technologies FAQ
How many employees does Amprius Technologies have?
Amprius Technologies has about 90 employees, unchanged over the 3 months to Sep 2026.
Does Amprius Technologies sponsor H1B visas?
Yes. Amprius Technologies filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.
What is Amprius Technologies's revenue per employee?
Amprius Technologies makes about $361K in revenue per employee, based on $32.52M annual revenue and 90 employees.
Is Amprius Technologies a public company?
Yes. Amprius Technologies is publicly traded under the ticker AMPX on NASDAQ.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.