Amprius Technologies, Inc.
New York Stock ExchangeRecent
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ROIC.AI
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- Amprius Technologies, Inc. specializes in the development, manufacture, and marketing of advanced lithium-ion batteries featuring silicon anode technology. Its core products include high-performance battery platforms such as SiCore and SiMaxx, which deliver industry-leading energy densities and power capabilities. The SiMaxx platform offers energy densities up to 450 Wh/kg and 1,150 Wh/L with validated capabilities reaching 500 Wh/kg and 1,300 Wh/L. The SiCore platform, launched in 2024, features a unique four-layer silicon nanostructure that provides enhanced energy density up to 400 Wh/kg, extended cycle life, and superior high-temperature stability. These battery technologies serve a variety of applications including electric vehicles, drones, aircraft, wearables, and other mobility sectors. Founded in 2008 and headquartered in Fremont, California, Amprius operates research and development facilities as well as manufacturing operations primarily in the United States with expanding global production capacity, including strategic partnerships in South Korea through the recently established Amprius Korea Battery Alliance. This alliance aims to strengthen Amprius’ international presence and diversify its contract manufacturing network, which now exceeds 2.0 GWh of total capacity worldwide. Recent major developments include the dissolution of Amprius Holdings, the company’s majority stockholder, resulting in a redistribution of common stock and a shift in ownership structure. In 2024 and 2025, Amprius announced multi-million-dollar sales agreements and development contracts with Fortune 500 companies to provide its high-energy SiMaxx pouch cells and secured repeat purchase orders exceeding $35 million for its SiCore cells. The company also continues to expand its scalable manufacturing footprint with a gigawatt-hour scale facility selected in Colorado. Additionally, Amprius reported significant revenue growth in 2024 alongside leadership and board transitions. Its innovative silicon anode technology and expanding production capabilities position it strongly in the high-performance battery market critical to evolving electric mobility and aerospace industries.
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