Matternet and Amprius Partner to Develop Advanced Drone Batteries

Matternet and Amprius Forge Strategic Partnership to Power Next-Generation Delivery Drones

On May 19, 2026, Matternet, a pioneer in urban drone delivery, and Amprius Technologies (NYSE: AMPX), a developer of silicon anode lithium-ion batteries, announced a strategic collaboration. According to a company press release, the partnership is designed to advance the performance and economics of autonomous aerial delivery networks by integrating high-energy-density battery solutions into commercial drone fleets.

Amprius’s proprietary silicon anode cells, specifically its SiCore® batteries, are already actively powering Matternet’s current M2 delivery aircraft. The newly announced extension of this collaboration will see the two companies jointly engineer optimized battery solutions tailored specifically for Matternet’s next-generation drone platform. Both companies have stated that they are targeting volume production readiness for early 2027.

For the commercial drone sector, battery performance remains a critical bottleneck. By shifting from traditional graphite-based batteries to advanced silicon anode technology, operators aim to unlock longer flight routes, heavier payload capacities, and faster fleet turnaround times. This partnership signals a concerted effort to mature drone hardware for mass commercial scaling.

The Technological Shift in Drone Delivery

Silicon Anode vs. Traditional Graphite

The core of this strategic partnership revolves around the transition to silicon anode batteries. According to industry data provided in the partnership announcement, Amprius’s silicon anode cells can deliver up to twice the energy density of conventional graphite-based batteries. In the aviation sector, where battery weight directly constrains range and payload, this technological leap provides significantly more power at a fraction of the weight.

The joint engineering effort will focus on tuning cell selection, form factor, thermal performance, charge rate, and cycle life. By saving minutes in charging times and grams in overall aircraft weight, operators can theoretically increase fleet utilization and payload capacity, driving down the cost per delivery.

“At Amprius, we are focused on partnering with category leaders in applications where battery performance changes what is possible. Matternet is exactly that kind of partner, a company with a proven certified platform, real commercial operations, and a clear path to scale,” said Tom Stepien, CEO of Amprius Technologies, in the official release.

Scaling Commercial Operations

Matternet’s Expansion and Fleet Goals

Matternet currently holds the distinction of being the world’s only drone delivery company to possess both Federal Aviation Administration (FAA) Type Certification and Production Certification. The company has a proven track record, having conducted over 60,000 commercial flights across urban and suburban environments in the United States and Europe. Initially focused on business-to-business healthcare logistics, Matternet expanded into direct-to-consumer drone delivery operations in Silicon Valley in 2024.

The collaboration with Amprius is timed to align with Matternet’s broader fleet expansion plans. As the company prepares its next-generation aircraft architecture, optimizing the power source is a primary objective for achieving commercial sustainability.

“Amprius delivers best-in-class battery performance, and in drone delivery that translates directly into commercial advantage. Every additional mile of range expands our network coverage. Every minute saved in charging increases fleet utilization,” stated Andreas Raptopoulos, Founder and CEO of Matternet.

Amprius Technologies’ Aviation Footprint

Financial and Market Context

Amprius Technologies has been steadily expanding its footprint within the unmanned aviation sector. Beyond Matternet, the battery manufacturer already supplies drone delivery platforms operated by Nokia Drone Networks and Nordic Wing. This latest partnership represents a strategic deepening of their aviation portfolio.

Financially, Amprius has shown significant recent growth. As of May 2026, market reports indicate the company posted 173% revenue growth over the trailing twelve months, reaching $90.3 million, with a market valuation of approximately $2.25 billion. This growth underscores the increasing demand for high-performance battery cells in specialized industrial applications.

AirPro News analysis

We observe that while artificial intelligence and autonomous flight software frequently dominate the conversation surrounding the “Physical AI” era, the physical limitations of battery technology ultimately dictate the viability of the drone delivery business model. The Matternet-Amprius partnership highlights a broader industry trend: the maturation from proof-of-concept flights to the rigorous optimization of unit economics.

However, it is important to maintain a grounded perspective on the timeline and financial realities of this sector. While Amprius’s silicon anode technology offers undeniable performance advantages, advanced battery production is highly capital-intensive. Despite reporting high revenue growth, Amprius currently operates at a net loss as it scales its manufacturing capabilities. The targeted 2027 volume production readiness will be a critical milestone to watch, as it will test whether these technological gains can be manufactured at a scale and price point that makes widespread urban drone delivery profitable.

Frequently Asked Questions (FAQ)

What is the goal of the Matternet and Amprius partnership?

The partnership aims to advance the performance and economics of autonomous aerial delivery by developing optimized silicon anode battery solutions for Matternet’s next-generation drone platform.

Why are silicon anode batteries important for drones?

Silicon anode batteries, like those developed by Amprius, offer up to twice the energy density of traditional graphite batteries. This allows drones to carry heavier payloads, fly longer distances, and charge faster, all while reducing the overall weight of the aircraft.

When will the new drones be ready for commercial use?

Matternet and Amprius are targeting early 2027 for volume production readiness of the optimized battery solutions for the next-generation fleet.

Sources

• Matternet Press Release