Amprius Technologies, Inc.

Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries built around a proprietary silicon anode platform. Its cells are designed for mobility applications that need very high energy density, high power density, and fast charging, with current demand centered on aviation and unmanned systems. The company has been commercially producing batteries since 2018 and says its silicon anodes can be used as a drop-in replacement for graphite anodes in conventional lithium-ion cells. Amprius sells both finished battery products and custom design/prototype services, and it also receives government grants from time to time. Its business model combines in-house pilot-line manufacturing in Fremont, California with outsourced contract manufacturing to scale output as customer demand grows.

−57,9 %

11,3 %

−60,3 %

+202,1 %

7.08

6.70

— Amprius Technologies, Inc.
%
Finished battery products80% Commercial lithium-ion battery cells sold for mobility applications, especially aviation and drone use cases.
Customization design services15% Engineering and prototype development work that adapts Amprius technology to customer specifications.
Government grants and related arrangements5% Public funding and support tied to manufacturing expansion and development activities.

Amprius sells primarily to customers in aviation, unmanned aerial systems, and other mobility markets that need...

  • Aviation and aerospace customersprimary

    Buy high-energy-density cells for aircraft, HAPS, and other airborne platforms where weight and endurance are critical.

  • Drone and UAV manufacturersprimary

    Buy SiCore and related cells for commercial and tactical drones that need high power, fast charging, and long flight time.

  • Defense and government agenciessecondary

    Buy batteries and development support for mission-critical applications that require validated performance and reliability.

  • Mobility and electric transportation developersemerging

    Evaluate Amprius technology for broader EV and light electric vehicle applications as the platform matures.

Amprius is headquartered in Fremont, California and conducts key manufacturing and pilot-line work there...

  • •Fremont, California is the core operating and pilot-manufacturing site
  • •Brighton, Colorado was planned for scale manufacturing but is being exited
  • •Contract manufacturing supports customer deliveries at higher volumes
  • •China is relevant as a source of batteries and production equipment
  • •Customer and partner exposure is global, especially in aviation and defense
  • •No country-level revenue breakdown was disclosed in the excerpts

Amprius is focused on commercializing its silicon-anode battery technology in applications where performance matters...

01
Expand commercial production through outsourced manufacturingshort-term

This lets the company meet demand faster while avoiding the cost and timing risk of building all capacity internally.

02
Accelerate customer qualification and validationshort-term

Large aerospace, defense, and drone customers require proof of performance before committing to volume purchases.

03
Broaden adoption beyond aviation into wider mobility marketsmedium-term

A larger end-market base would reduce dependence on a narrow set of early adopters and improve long-term growth potential.

Amprius faces execution risk because its batteries must perform reliably in demanding applications, and any failure...

high

Product performance risk

If the batteries do not meet promised energy density, power, or charging specifications, customers may not adopt or reorder.

Scope
Aviation, UAV, and defense customers
Materiality
high
high

Third-party manufacturing and supply-chain dependence

The company relies on external manufacturers and suppliers for certain batteries, materials, components, and equipment.

Scope
Contract manufacturing and sourced inputs
Materiality
high
high

Manufacturing scale-up risk

High-volume lines may fail to achieve required quality, yield, throughput, or cost structure.

Scope
Commercial scale-up
Materiality
high
medium

Geopolitical and tariff exposure

Some batteries and production equipment are manufactured in China, and tariffs or trade restrictions could raise costs.

Scope
China sourcing
Materiality
medium
medium

Cybersecurity and data security risk

The company stores partner and customer information and has experienced a ransomware incident in the past.

Scope
Operational systems and proprietary data
Materiality
medium
Point-in-time revenue recognition
Quarterly revenue and gross margin comparability
Government grant accounting
Revenue and other income volatility
Lease impairment and termination
Operating results and balance sheet assets
Manufacturing asset and construction-in-progress impairment
Non-cash charges and future capacity assumptions

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: 11/08/2026