Amprius Technologies Inc
amprius.comWhat Do They Do?
Sells lithium-ion batteries built with silicon anodes to aviation, ground-vehicle and marine-vehicle customers, including drone and aircraft users.
10-K for FY2025, filed Mar 6, 2026Amprius Technologies, Inc. develops, manufactures and markets lithium-ion batteries for mobility applications, including aviation, ground…View ↗
Currently, our batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems or “UAS”…View ↗
We currently offer high performance batteries under our silicon anode platform to supply the aviation, ground and marine vehicle industries.View ↗
How Do They Make Money?
Earns revenue by selling finished battery products and providing custom battery design and development using existing technology to meet customer specifications.
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10-K for FY2025, filed Mar 6, 2026
FY2025 revenue by product or service ↗
$73M
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10-K for FY2025, filed Mar 6, 2026
$73M ↗
| Segment | Share | Revenue |
|---|---|---|
|
Sale of battery products
|
100%
FY2022: 53%
|
Sale of battery products, FY2025
$71.6M Sources
|
|
Customization design services
|
0.5%
FY2022: 42%
|
Customization design services, FY2025
$325K Sources
|
Who Are Their Customers?
Customers include aviation businesses and defense organizations, with batteries used in drones and other aircraft. Sales go to customers inside and outside the United States, including a significant portion in Europe.
10-K for FY2025, filed Mar 6, 2026
Do Revenues Turn Into Profits?
No. It lost $44M in FY2025.
10-K for FY2025, filed Mar 6, 2026
−$46.6MView ↗
10-K for FY2025, filed Mar 6, 2026
−$44MView ↗
10-K for FY2025, filed Mar 6, 2026
−$35.5MView ↗
How Are They Changing?
10-Q for Q2 FY2026, filed Aug 6, 2026
Open tableView ↗
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Aug 4, 2026
Raises revenue outlook and announces customer agreements
Raised revenue outlook to at least $140 million; announced a $24.0 million drone-cell order and a Stark Future multi-year supply agreement expected to exceed $100 million.
Sources
8-K, filed Aug 4, 2026
Established multi-year supply agreement starting in 2027 with Stark Future, a Barcelona-based manufacturer of electric motorcycles…View ↗
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Apr 21, 2026
Replaces its independent audit firm
Deloitte was engaged to audit 2026 financial statements after BDO was dismissed; the company reported no disagreements or reportable events.
Sources
8-K, filed Apr 21, 2026
On April 17, 2026, the Audit Committee (the "Audit Committee") of the board of directors of Amprius Technologies, Inc. (the "Company")…View ↗
Growing. Revenue grew 26.3x in 4 years, from $2.8M in FY2021 to $73M in FY2025, about 127% a year.
Manufacturing approach
The older report described manufacturing at Fremont and plans for a large-scale facility; the latest describes using global contract manufacturers for SiCore and terminating the Brighton lease.
10-K for FY2022, filed Mar 30, 2023 10-K for FY2025, filed Mar 6, 2026We currently manufacture batteries on a kWh-scale manufacturing line at our headquarters in Fremont, California, where we believe demand…View ↗
SiCore product platform
The older report described its commercially produced silicon-anode battery generally; the latest identifies SiCore as a commercial platform developed with Berzelius.
10-K for FY2022, filed Mar 30, 2023 10-K for FY2025, filed Mar 6, 2026Amprius has developed and, since 2018, been in commercial production of an ultra-high energy density lithium-ion battery for mobility…View ↗
Our SiCore batteries, which were developed in collaboration with Berzelius and launched commercially in January 2024, are based on an…View ↗
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