Facts

• Segment: Power Systems
• Country: United States
• Founded: 2008
• Website: https://amprius.com/

Profile sections

• Summary
• Market context
• Products
• Facts
• Commercial
• Supply chain
• Context / Market Position
• Events
• Operations / Deployments
• Team
• Context tags
• Customers and deployments
• Sources

Summary

Amprius Technologies develops high-energy lithium-ion batteries using silicon-anode technology for aviation, drones, mobility and electric equipment. Its robotics relevance comes through lightweight, high-density battery cells that can extend endurance for UAVs, mobile robots and other power-constrained autonomous systems.

Market context

Amprius is a public battery supplier with direct exposure to drones, autonomous systems and AI robotics. Its silicon-anode battery platform makes it a useful upstream node for robotics endurance and power-density analysis. Amprius supplies silicon-anode lithium-ion batteries used in drones, autonomous systems, and high-performance mobile platforms. Its robotics exposure sits in the upstream power layer, where energy density affects endurance, payload tradeoffs, charging frequency, and operating availability.

Products

• SiCore SA102 Battery Cell

Facts

• Website: https://amprius.com/
• HQ: Fremont, CA, United States
• Founded: 2008
• Segment: Power Systems

Commercial

2 commercial events; 2 commercial orders; latest event 2025-09-15

• 2025-09-15 - Commercial order - Amprius secures repeat $35 million purchase order from UAS manufacturer - source: ir.amprius.com
• 2025-02-25 - Commercial order - Amprius secures $15 million SiCore cell purchase order from UAS manufacturer - source: ir.amprius.com

Supply chain

Primary layer: power systems; SCI has six active outbound power_system rows for Amprius (press on-file in evidence).

• Layer: power_systems
• Role types: battery_cells, silicon_anode, uav_drones
• Robotics categories: power_system
• Profile confidence: high
• Multi-customer: yes
• Cross-vertical: yes

High-energy silicon-anode batteries for drones and electric mobility

Amprius Technologies develops silicon-anode lithium-ion battery cells for high-performance applications. Its robotics relevance comes from high-energy-density batteries used in aerospace, electric mobility and drone applications where endurance, weight and power density are core system constraints.

• Target environment: Aerospace, electric mobility, drone, high-performance battery and defence-adjacent unmanned-system environments.
• Deployment model: Component supplier model built around silicon-anode battery cell production, customer qualification, capacity expansion and manufacturing partnerships.
• Customer context: Drone OEMs, aerospace customers, electric mobility platforms, defence-adjacent unmanned-system users and high-performance battery integrators.
• Workflow context: Battery endurance, lightweight energy storage, high-discharge power, drone flight time improvement, electric aircraft support and mobile robot power supply.
• Commercial maturity: Amprius is publicly listed and commercializing silicon-anode batteries. Robotics exposure is strongest in drone and high-end mobile power applications rather than complete robot systems.
• Market position: Advanced battery component supplier positioned in the endurance layer for drones, aerospace and high-performance mobile machines.
• Adoption constraints: Manufacturing scale, cell cost, qualification timelines, customer concentration, safety certification, domestic supply-chain capacity and competition from other battery chemistries.
• Adjacent context: Drone power systems, unmanned aerial systems, batteries, aerospace electrification, electric mobility and robotics components.
• Source confidence: high

Events

• 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-…
• 2026-02-03 - Partnership - Amprius and Nanotech Energy partner to scale U.S. silicon-anode battery production - Amprius formed a manufacturing partnership with Nanotech Energy for U.S.-based production of silicon-anode…
• 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.
• 2025-10-14 - Partnership - ESAero selects Amprius SiCore SA08 cell for UAV battery packs - ESAero selected Amprius' SiCore SA08 cell for integration into battery packs powering UAV platforms.
• 2025-09-15 - Commercial Order - Amprius secures repeat $35 million purchase order from UAS manufacturer - Amprius secured a repeat $35 million purchase order from a leading UAS manufacturer.
• 2025-09-02 - Partnership - Nordic Wing selects Amprius batteries to increase drone endurance - Nordic Wing selected Amprius batteries for high-endurance drone applications.
• 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.
• 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.
• 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.
• 2023-09-11 - Product Launch - Amprius and Tenergy unveil high-performance drone battery pack - Amprius and Tenergy unveiled a drop-in drone battery pack at Commercial UAV Expo Las Vegas.
• 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.
• 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.

Operations / Deployments

• 2026-02-03 - Partnership - Amprius and Nanotech Energy partner to scale U.S. silicon-anode battery production - Amprius formed a manufacturing partnership with Nanotech Energy for U.S.-based production of silicon-anode…

Team

• Tom Stepien - Chief Executive Officer - Leads Amprius as it commercializes silicon-anode battery cells for aerospace, drone, electric mobility and other high-performance applications.
• Ricardo Rodriguez - Chief Financial Officer
• Constantin Stefan - Chief Technology Officer

Context tags

• High-energy battery supplier - Peer Group
• Drone battery supplier - Peer Group
• Lightweight battery power - Capability
• Battery component supplier - Peer Group
• Long-endurance UAV power - Capability
• Aerospace defence supply chain - Customer Environment

Customers and deployments

• Deployment Event - 1 source-backed deployment event - 2023-07-20 - Amprius batteries power first stratospheric flight for BAE Systems drone - source posture: Company Disclosed