Amprius Technologies, Inc. 2026 Q2 Earnings Call
Review the key takeaways and the transcript of this earnings call.
- Amprius Technologies reported second quarter 2026 revenue of $34 million, up 19% sequentially and 2.3 times year over year, marking their sixth consecutive quarter of sequential growth.
- The annual revenue run rate reached $136 million, with first half 2026 revenue up 137% year over year to $62.6 million.
- Gross margin improved to 27% in Q2 2026 from 20% in Q1 2026 and 9% in Q2 2025, with first half gross margin at 24% versus -4% in the first half of 2025.
- Operating loss narrowed to $4.3 million in Q2 2026 from $6.7 million in Q1 2026 and $6.8 million in Q2 2025.
- GAAP net loss attributable to common shareholders was $5.1 million or $0.04 per share in Q2 2026, 20% narrower than the same quarter last year.
- Adjusted EBITDA improved to -$1 million in Q2 2026 from -$1.8 million in Q1 2026 and -$2.1 million in Q2 2025, with a trailing 12-month adjusted EBITDA of -$800,000.
- Cash balance at quarter end was $74.5 million with no debt, increasing $12.2 million during the quarter.
- Amprius has a contract with the Defense Innovation Unit totaling $18.1 million to support expansion of a pilot line in Fremont, California, with production expected to begin in December 2026.
- The company received a $24 million order from a new European drone manufacturer customer for cylindrical silicon anode cells, with deliveries started in Q2 2026 and continuing over the next three quarters.
- Amprius signed a three-year contract with Stark Future, a Barcelona-based premium electric motorcycle manufacturer, expecting at least $100 million in revenue through 2029 with shipments starting early 2027.
- The company has more than 500 direct customers and nine pack partners, which help scale sales without adding direct sales headcount.
- Amprius uses contract manufacturing partners in China and South Korea, with three partners in South Korea providing NDAA compliant cells today, and a U.S. contract manufacturer, Nanotech Energy, providing additional U.S. capacity.
- Senior management updates include Ronny Tao moving to Chief Business Officer focusing on new markets like robotics, and Ann Torricelli joining as VP of Sales.
- The company’s product portfolio includes five chemistry platforms with good dexterity to integrate alternate inputs and new suppliers to meet NDAA compliance.
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Transcript
Preview the first fifteen paragraphs, organized by speaker.
Good morning. Welcome to the Amprius Technologies second quarter 2026 earnings conference call. Joining us for today's presentation are the company's CEO, Tom Stepien, and CFO, Ricardo Rodriguez. At this time, all participants are in listen-only mode. Following management's remarks, we will open the call for questions. Please note that this presentation contains forward-looking statements, including, but not limited to, statements regarding the company's financial and business performance, business strategy, future product development or commercialization, new customer adoption and new applications, the company's growth and the growth of the markets in which it operates, and the timing and ability of Amprius to expand its manufacturing capacity, scale its business, and achieve a sustainable cost structure.
These statements involve known and unknown risks, uncertainties, and other important factors that may cause Amprius' results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied in such forward-looking statements. For a more complete discussion of these risks and uncertainties, please refer to Amprius' filings with the Securities and Exchange Commission. This presentation includes a non-GAAP financial measure, which is adjusted EBITDA. This non-GAAP financial measure does not replace the presentation of Amprius' GAAP financial results and should only be used as a supplement to, not a substitute for, Amprius' financial results presented in accordance with GAAP and may not be comparable to calculations of similarly titled measures by other companies.
A reconciliation of adjusted EBITDA to net loss, the most directly comparable GAAP financial measure, is included in our press release, a copy of which is filed with the SEC and posted on our website. Finally, I would like to remind everyone that this conference call is being webcast. A recording will be made available for replay on the company's investor relations website at ir.amprius.com. In addition to the webcast, the company has also posted a press release that accompanies these results, which can also be found on the Amprius investor relations website. Before turning the call over to management, I want to highlight a few near-term IR events. Amprius will be attending the Canaccord Conference and partaking in the UBS Energy Transition Call series next week. The team will also be attending the H.C. Wainwright Conference and the Evercore ADAS, AV, and AI Forum in September.
We hope to connect with many of you at these upcoming events. I will now turn the call over to Amprius Technologies CEO, Tom Stepien, for his comments.
Sir, please proceed. Welcome, everyone, and thank you for joining us this morning.
I'm pleased to report that Amprius continues to experience robust demand for our energy-dense silicon anode lithium-ion batteries. In the second quarter of 2026, we achieved another record revenue as we show on slide three. We believe the characteristics of our cells make them a particularly strong fit for one of the fastest-growing markets in the world, battery-powered unmanned aerial vehicles, UAVs, also known as drones. Our second-generation SiCore silicon anode battery continues to gain broad adoption for drones and other applications. Given the strong quarter and promising new business, we have the confidence to increase our 2026 revenue forecast for the second consecutive quarter. Anyone who reads the news understands that low-cost drones are playing an asymmetric role in military conflicts around the world, changing the nature of modern warfare.
As Barron's magazine recently reported, inexpensive drones are, quote, "Upending the defense sector." Unquote. We believe that this has been made possible in no small measure by the availability of high-performance batteries like those produced by Amprius. As you are likely aware, the Trump administration's proposed fiscal 2027 defense budget calls for more than $50 billion in outlays for the Defense Autonomous Warfare Group, an arm of the Department of War focused on drones and related hardware. The specific ask is for 24,000% year-over-year increase. While the U.S. Congress has yet to pass the 2027 spending authorization, and the actual budget might be smaller than the original request, it is nonetheless clear that the Pentagon will be making a major and growing outlay for autonomous capabilities for years to come. Our current contract with the Defense Innovation Unit gives us a front-row seat in this arena.
This is good news for Amprius, our customers and partners, and for our shareholders. While we expect that the budget details will be sorted out in the months ahead, there are other positive signs from the defense sector for Amprius. For instance, the Department of War's Drone Dominance program has invited 19 drone manufacturers to a competitive demonstration event at Fort Carson, Colorado, later this month. Half of the participants are using Amprius cells, and we have had at least initial conversations with the rest. The Department of War has said that at the completion of the Colorado event, it will place orders for 60,000 drones from the top performers. This is one more indication that the opportunity in military UAVs is in its early stages.
You may recall that our contract with the Defense Innovation Unit to develop and scale National Defense Authorization Act, NDAA, compliant silicon anode battery cells was increased for a third time in the March quarter and now totals $18.1 million. This funding supports expansion of a pilot line at our headquarters in Fremont, California. I'm happy to report that we now have received nearly half of the equipment required for the pilot line, which is undergoing installation. The remaining equipment is scheduled to arrive later this month and in September, with production expected to begin in December 2026. Our opportunity in military drones goes beyond U.S. borders. I'm happy to report that we've received a $24 million order from a new European customer, a drone manufacturer that uses our SA 124 SiCore cylindrical cells.
We started to deliver our batteries to this customer in Q2, and will continue to do so for the next three quarters. We're excited about this opportunity and expect to have more to talk about on this topic in the months ahead. I also want to report some recent news from our customer, Redwire, a leading aerospace and defense technology company providing space infrastructure, autonomous systems, and mission-critical solutions for the commercial, civil, and national security customers worldwide. Redwire first purchased our high energy density batteries in 2024. We're happy to see that their demand is growing. Redwire recently announced more than $40 million in purchase orders from the U.S. Marine Corps for the Stalker Block 30, a Group 2 drone designed for long-range reconnaissance. Stalker excels in missions where long duration is critical, and that's exactly what our SiCore cells enable. We look forward to Redwire's continued success.
While we are excited about the rapid adoption of drones in the defense industry, we also continue to see substantial opportunities for commercial drones. In May, you may remember, we announced an agreement to provide high-density silicon anode cells to Matternet, the world's only FAA-type certified drone delivery platform. Amprius' silicon anode cells deliver up to twice the energy density of conventional graphite-based batteries, a critical advantage in aviation, where low battery weight and high energy density directly improve aircraft range, payload, and economics. Drones, both military and commercial, are a big part of the Amprius story, but they are not our only strategically important end market. Earlier this year, we announced a $21 million order from a premier electric mobility customer in China to power a suite of light electric vehicles, including scooters, three-wheelers, and motorcycles. Today, I'm excited to tell you about a new e-mobility customer win.
We have signed a three-year contract with Stark Future, a Barcelona-based premium electric motorcycle manufacturer. Stark's bikes are impressive, with cutting-edge technology, world-class design, and amazing engineering. We showcased one of their bikes at our CES booth in January 2026. We expect revenues from our relationship to Stark to be at least $100 million through 2029, with shipments expected to start early next year. Let's turn to slide four and discuss our go-to-market strategy. A little less than half of our sales ship directly to end-use customers, companies that sell drones for various applications, small electric vehicles, and companies in the satellite value stream. We have more than 500 direct customers, and this figure grows every quarter. The other portion of our purchase orders come from pack partners, companies who buy our cells and package them together with appropriate electronics and sometimes a battery management system.
These modules and packs are then sold to end-use customers. Our pack partner program allows us to expand our reach and simplifies customer relationships for many end-market applications. Today, we list nine pack partners on our website, and more will be added over time. This program is a light lift for our sales team and allows us to scale without adding direct sales headcount. We expect this flywheel effect to allow us to continue strong growth through this rapidly expanding channel. Let's turn to slide five, and let me take a few minutes to provide an update on our capital-efficient contract manufacturing strategy. Our California pilot line gives us the ability to win new customers, allowing us to quickly deliver new cell chemistries to customers. We often do this side by side with our customers in joint development programs.
We also use our Fremont facility to deliver small volumes of cells. We leverage our worldwide contract manufacturing partners to produce cells at volume. We have four manufacturing partners in China. Over the last several years, they have provided us with excellent quality and reliable delivery. Our China CMs have helped Amprius tremendously, and they will continue to be important partners in our future. We have added several partners in South Korea. In May 2025, we announced our first partner, Lebest, located in Daejeon, about a two-hour drive from downtown Seoul. Lebest has been delivering Amprius commercial cells since September 2025. We recently added JR Energy and Top Material as South Korean partners. Together, these three CMs give us the ability to produce batteries that are compliant with NDAA rules.
I met with all three partners in Korea 10 days ago and can confirm that our relationships are solid, our incentives are aligned, and we are expanding well together. I also want to underscore that we believe we are well on track to reach full NDAA compliance with domestically produced cells in 2027. South Korea gives us NDAA compliant supply today, while Nanotech Energy, the U.S. contract manufacturer we announced earlier this year, provides additional U.S. capacity. We expect to talk about additional U.S. partners in the months ahead. Our partner-focused approach to manufacturing avoids substantial capital expenditures while keeping our management team focused on what matters most, extending our technical innovations and delivering these innovations to customers rapidly. Leveraging manufacturing partners rather than investing heavily in new facilities allows Amprius to scale quickly and efficiently while maintaining strategic flexibility.
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