Amprius Technologies, Inc. reported significant financial growth in its latest 10-K filing, with total revenue reaching $73.0 million for the fiscal year ending December 31, 2025, a 202% increase from $24.2 million in the previous year. This surge was primarily driven by a $49.5 million increase in battery sales, particularly from the newly launched SiCore battery line, which accounted for $48.1 million of the revenue. Despite this growth, the company recorded a net loss of $44.0 million, slightly improved from a loss of $44.7 million in 2024, indicating ongoing challenges in achieving profitability.
The company's operational metrics reflect a growing customer base, with over 500 customer engagements and shipments to hundreds of clients, including notable names like AALTO Airbus and the U.S. Army. Amprius has shipped over 4.2 million battery cells since its inception, showcasing its expanding market presence. The company also reported a significant increase in its customer base, with a notable customer contributing $27.1 million to its total revenue in 2025. However, the company faced challenges with rising costs, as the cost of revenue increased by 52% to $64.7 million, primarily due to higher production volumes and associated expenses.
Strategically, Amprius has made several key developments, including the full commercial launch of its SiCore batteries in January 2024 and a supply agreement with Berzelius for exclusive rights to silicon anode materials in North America. The company is also expanding its manufacturing capabilities, with plans to increase its pilot line capacity to 10 MWh in Fremont, California, supported by a $14.8 million contract from the U.S. Defense Innovation Unit. However, the company decided to terminate its lease for a planned GWh-scale facility in Brighton, Colorado, incurring a $19.1 million impairment charge, reflecting a shift in strategy towards leveraging global contract manufacturing.
Looking ahead, Amprius Technologies aims to capitalize on its first-mover advantage in the aviation battery market while exploring opportunities in the electric vehicle sector. The company plans to enhance its production capacity and optimize costs through its contract manufacturing strategy. Despite the promising outlook, Amprius acknowledges the competitive landscape and the need for continued investment in research and development to maintain its technological edge. The company’s ability to navigate these challenges will be crucial for its future growth and financial stability.
About Amprius Technologies, Inc.
Amprius Technologies, Inc. develops and manufactures high-performance lithium-ion batteries featuring proprietary silicon anode technology for mobility applications, including aviation, electric vehicles, and light electric vehicles. Its SiCore and SiMaxx battery platforms offer superior energy density, power, and fast charging compared to conventional graphite batteries. Serving aerospace, defense, and emerging electric transportation markets, Amprius leverages patented silicon nanowire anodes and scalable manufacturing to deliver lightweight, durable batteries optimized for demanding environments.
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