Amprius Technologies

• SiCore SA102

Production capacity

• Production capacity

  2026-09-28 - Amprius plans approximately 12 million high-energy-density UAS battery cells of annual capacity after completing the line conversion in early 2028. - Group 1–3 UAS battery cells - United States

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Supply chain relationships

• CAMINUS

  Inbound - Manufacturing Services - CAMINUS contracted to manufacture Amprius pouch cells, with qualification underway and volume production planned for Q1 2027

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• Nanotech Energy

  Inbound - Manufacturing - Nanotech Energy is Amprius' U.S. contract-manufacturing partner for SA128 silicon-anode cells

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• Berzelius

  Inbound - materials and robotics supply chain - Berzelius supplies proprietary silicon-anode materials to Amprius under an exclusive agreement

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• Teledyne FLIR

  Outbound - Power Systems - Amprius silicon-anode battery cells were designed into Teledyne FLIR Black Hornet 4 systems

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• Matternet

  Outbound - Power Systems - Amprius silicon-anode cells power Matternet M2 delivery drones

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• ModalAI

  Outbound - Energy Storage - ModalAI specifies Amprius cells as the 55-minute battery configuration for Starling 2 Max

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• Nordic Wing

  Outbound - Power Systems - Nordic Wing selected Amprius SiCore batteries to increase endurance for its Astero ISR UAV platform operating in demanding defense environments

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• Titan Batteries

  Outbound - Power Systems - Amprius Technologies supplies power system to Titan Batteries

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• Upgrade Energy

  Outbound - Power Systems - Amprius SA124 cells are selected for Upgrade Energy’s RED 21700 Series V4 battery packs

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• ESAero

  Outbound - Power Systems - ESAero selected Amprius SiCore SA08 battery cells for UAV products supporting defense, security, logistics, and public safety applications

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• Tenergy

  Outbound - Power Systems - Tenergy drone battery packs launched in September 2023 incorporate Amprius high-energy-density cells

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• Kraus Hamdani Aerospace

  Outbound - Power - Kraus Hamdani Aerospace ordered Amprius 405 Wh/kg battery cells for its ultra-long-endurance aircraft in 2021

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• OBJEXIS AI

  Outbound - Power - Amprius will provide high-energy-density batteries for OBJEXIS AI autonomous systems, beginning with OK-1 C-UAS

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• Redwire Corporation

  Outbound - Power - Amprius supplied SiCore battery cells to Redwire for the Stalker Block 30 drone

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• AeroVironment

  Outbound - Power Systems - Amprius provides lithium-ion cells for versions of AeroVironment’s Switchblade 300 Block 20

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• AALTO

  Outbound - Power Systems - Amprius silicon-anode cells powered the AALTO Zephyr flight that ended in April 2025 after 67 days

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• AMPX - NYSE - USD

• Tom Stepien - Chief Executive Officer and Board Director - Leads Amprius commercialisation and manufacturing expansion; a company director since May 2025.
• Ricardo C. Rodriguez - Chief Financial Officer - Manages company finance during the expansion of silicon-anode cell sales and contract manufacturing.
• Dr. Ionel Stefan - Chief Technology Officer - Leads scientific research and development to improve lithium-ion cell performance.
• Ronnie Tao - Chief Business Officer - Leads global business development and customer partnerships across aviation, defence, mobility and consumer applications.

Curated durable documents and official technical references.

• Amprius 2025 Form 10-K

  PDF · Fiscal 2025 · Amprius Technologies

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• Amprius product portfolio Q3 2026

  PDF · Q3 2026 · Amprius Technologies

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Events

• 2026-10-05 - Partnership - CAMINUS signs U.S. pouch-cell manufacturing agreement with Amprius

  The agreement spans partial assembly of Amprius-supplied components through complete cell production. Qualification builds are underway, with volume production targeted for Q1 2027. CAMINUS operates a 92,000-square-foot powder-to-cell facility and also manufactures its own cells and selected battery packs.

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• 2026-09-28 - Award - Amprius secures up to $75 million grant for American drone battery production

  The converted line is planned to support Group 1, 2 and 3 UAS with approximately 12 million cells of annual capacity. The approximately $100 million conversion project targets completion in early 2028. Most of the award remains subject to future appropriations, programme milestones and other funding conditions.

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• 2026-09-02 - Product Launch - Amprius unveils SiCore 500 cell for uncrewed aviation

  The new cell is rated at 500 Wh/kg at a 1C continuous discharge rate. Amprius says the cell can be produced on conventional lithium-ion battery manufacturing equipment. Planned formats include customer-specific designs and the SAE JA1016 standard pouch format for small uncrewed aircraft.

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• 2026-08-04 - Market Signal - Amprius raises 2026 guidance after $34 million Q2 revenue

  The company now expects at least $140 million of revenue in 2026. Full-year gross-margin guidance was raised to at least 28%. Amprius attributed the outlook partly to demand across drone and e-mobility applications.

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• 2026-05-19 - Partnership - Amprius and Matternet partner on silicon-anode batteries for drone delivery

  Amprius and Matternet announced a strategic collaboration to improve autonomous aerial delivery using high-energy-density silicon-anode cells. Amprius cells are already deployed in Matternet M2 aircraft, with the companies extending work to Matternet's next-generation platform. The partnership focuses on range, aircraft availability, service-area expansion and cost per delivery as Matternet scales operations.

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• 2026-02-03 - Partnership - Amprius and Nanotech Energy establish U.S. manufacturing pathway for SA128 cells

  The partners refined a 21700-format SA128 cell rated at 6.8 Ah and 320 Wh/kg. Nanotech Energy is Amprius’s first U.S.-based manufacturing partner for these high-performance cells. The programme serves defense, aerospace and other mission-critical applications that require a domestic production chain.

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• 2025-12-02 - Partnership - Nokia Drone Networks selects Amprius SiCore batteries for next-generation drone systems

  Nokia Drone Networks selected Amprius SiCore cells to power its next-generation drone systems. The drones are intended for industrial inspection, monitoring, public safety and emergency response operations. The selection places Amprius batteries inside a named drone-network product line for enterprise and public-sector operations.

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• 2025-10-14 - Partnership - ESAero selects Amprius SiCore SA08 cell for UAV battery packs

  The battery packs are intended for defense, security, logistics and public-safety UAV applications. ESAero cited longer flight times and increased payload capacity as selection factors for the SA08 cell. The cells completed formal qualification and were integrated into ESAero products at the time of the announcement.

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• 2025-09-15 - Commercial Order - Amprius secures repeat purchase order of over $35 million from UAS manufacturer

  Amprius secured a repeat $35 million purchase order from a leading UAS manufacturer. The order covers high-performance battery products for unmanned aircraft systems. The repeat order indicates continuing demand from an unmanned-aircraft customer after earlier qualification and purchase activity.

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• 2025-09-02 - Partnership - Nordic Wing selects Amprius batteries to increase drone endurance

  Nordic Wing selected Amprius batteries for high-endurance drone applications. The selection extends Amprius battery supply into European UAS and defense aviation use cases. The partnership reinforces Amprius' role in lightweight, high-energy battery supply for longer-duration UAV missions.

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• 2025-08-07 - Product Launch - Amprius reports the introduction of SiCore SA102

  Amprius said the product introduction occurred in April 2025; its shareholder letter was published on 7 August 2025. Amprius said SA102 was produced on its Fremont, California pilot line for mission-critical unmanned-aircraft applications. The exact cell combines a silicon-anode pouch format with 450 Wh/kg and 950 Wh/L headline energy-density figures.

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• 2025-04-28 - Partnership - AALTO Zephyr Achieves World-Record 67-Day Flight Powered by Amprius Ultra-High-Energy Batteries

  Amprius has been a key supplier of high-performance batteries to AALTO for several years, including for a 2022 Zephyr flight that lasted 64 days. The new 67-day flight builds on that milestone, further proving the reliability of Amprius’ technology and the Zephyr system’s ability to push the limits of aviation endurance.

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• 2025-03-28 - Partnership - OBJEXIS AI partners with Amprius for OK-1 battery integration

  Amprius will provide battery options for the OK-1 counter-UAS platform. The integration is intended to extend endurance for long-duration autonomous-defence missions. The agreement covers OBJEXIS autonomous systems beyond the initial OK-1 integration.

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• 2025-03-06 - Product Launch - Amprius ships 6.3Ah silicon-anode cylindrical cell to Fortune 500 company

  Amprius shipped a 6.3Ah SiCore 21700 silicon-anode cylindrical cell to a Fortune 500 company. The cell delivers 315 Wh/kg, 800 cycles at 80 percent depth of discharge and drop-in compatibility for existing 21700 platforms.

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• 2025-02-25 - Commercial Order - Amprius secures $15 million SiCore cell purchase order from UAS manufacturer

  Amprius secured a $15 million purchase order for SiCore cells from a leading UAS manufacturer. The order followed customer qualification activity across defense and commercial aviation applications. The purchase order gives Amprius a concrete unmanned-aircraft battery demand signal beyond general battery supplier positioning.

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• 2024-04-22 - Partnership - Amprius and Stafl Systems partner on high-performance battery systems

  Amprius and Stafl Systems formed a strategic partnership for high-performance battery solutions. Under the agreement, Amprius serves as Stafl Systems' preferred battery cell supplier for UAV and UAM applications. The partnership links Amprius silicon-anode cells to battery systems built for unmanned aerial and advanced air-mobility platforms.

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• 2023-12-14 - Facility Opening - Amprius opens expanded silicon-anode manufacturing line in Fremont

  The expansion increased the facility’s production capacity tenfold. New assembly and dry rooms support silicon-nanowire cell manufacturing. Teledyne FLIR demonstrated Black Hornet 4 with Amprius batteries at the opening.

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• 2023-09-11 - Partnership - Amprius and Tenergy unveil high-energy drone battery pack

  Unveiled to significant attendee interest last week at the Commercial UAV Expo (“CUAV”) in Las Vegas, the Tenergy x Amprius battery offers a 31% reduction in weight while still carrying a 6% greater energy than other comparable packs. Amprius is the only manufacturer providing proven next-generation cells with unparalleled flight time and flight range thresholds transforming performance metrics that will take UAS industry to new heights,” said Jason Li, CEO of Tenergy.

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• 2023-07-20 - Deployment - Amprius batteries power first stratospheric flight for BAE Systems drone

  Amprius batteries powered the first stratospheric flight of BAE Systems' PHASA-35 high-altitude drone. The flight followed a 2022 cooperation agreement between Amprius and BAE Systems for electric products under development by BAE Systems.

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• 2023-04-12 - Partnership - Amprius supplies high-energy battery cells for AeroVironment Switchblade 300 Block 20 systems

  Amprius said it was preparing commercial-level shipments of high-energy-density lithium-ion cells for AeroVironment's Switchblade 300 Block 20. The company expected the lightweight cells to increase flight time by at least 50%, extending endurance and loitering capability. Amprius said deliveries had begun in 2022, additional commitments were being fulfilled, and AeroVironment was integrating the cells into defense products.

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• 2022-07-14 - Partnership - Amprius and Teledyne FLIR enter three-year component purchase agreement

  Amprius and Teledyne FLIR entered a three-year component purchase agreement for silicon-anode battery cells. Teledyne FLIR said the cells can extend power and range for UAS and unmanned ground system capabilities. The agreement connects Amprius battery cells to Teledyne FLIR unmanned systems across air and ground platforms.

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Context tags

• High-energy battery supplier - Peer Group - Current silicon-anode cells for drone and robotics power; commercial SiCore portfolio and aerospace references independently reviewed.
• Drone battery supplier - Peer Group - Current silicon-anode cells for drone and robotics power; commercial SiCore portfolio and aerospace references independently reviewed.
• Lightweight battery power - Capability - Current silicon-anode cells for drone and robotics power; commercial SiCore portfolio and aerospace references independently reviewed.
• Battery component supplier - Peer Group - Current silicon-anode cells for drone and robotics power; commercial SiCore portfolio and aerospace references independently reviewed.
• Long-endurance UAV power - Capability - Current silicon-anode cells for drone and robotics power; commercial SiCore portfolio and aerospace references independently reviewed.
• Aerospace defence supply chain - Customer Environment - Current silicon-anode cells for drone and robotics power; commercial SiCore portfolio and aerospace references independently reviewed.

• Amprius secures repeat purchase order of over $35 million from UAS manufacturer

  2025-09-15 · Order / contract · Amprius booked a repeat $35 million purchase order covering high-performance batteries for unmanned aircraft systems.

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• Amprius secures $15 million SiCore cell purchase order from UAS manufacturer

  2025-02-25 · Order / contract · Amprius booked a $15 million SiCore silicon-anode cell purchase order tied to UAS demand across defense and commercial aviation paths.

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