Amprius Expands Korea Battery Alliance with Three New Contract Manufacturers

FREMONT, Calif.–(BUSINESS WIRE)–Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in next-generation lithium-ion batteries with its Silicon Anode Platform, today announced the expansion of the Amprius Korea Battery Alliance (the “Alliance”) following a successful launch event in Daejeon, South Korea.

battery event

The Alliance now includes three additional contract manufacturers who join a consortium of Korean companies that contribute capabilities across the lithium-ion battery value chain, including materials, components, and production equipment. Their participation broadens Amprius’ global manufacturing network and provides direct access to Korea’s advanced battery production ecosystem, supporting the Company’s expansion into trusted allied nations.

A central objective of the Alliance is to align Amprius’ global operations with the requirements of the U.S. National Defense Authorization Act (“NDAA”). By expanding production partnerships in allied countries, Amprius is strengthening secure and compliant supply chain networks needed to serve defense, aerospace, and critical infrastructure segments.

Tom Stepien, President of Amprius Technologies, said:

Deepening our partnerships in Korea enables us to scale efficiently while delivering exactly what our customers require,

“The Alliance anchors Amprius within a world-class lithium-ion battery manufacturing base and allows us to accelerate SiCore® production within an NDAA-compliant framework.”

Mayor Lee Jang-woo, said:

South Korea is a global leader in advanced battery technology, and Amprius is at the forefront of next-generation silicon anode innovation,

“Expanding their partnerships in Daejeon reinforces the city’s standing as a center for energy and materials innovation, and drives new growth across the regional economy.”

With the new partners, Amprius’ contract manufacturing network now exceeds 2 GWh of global capacity. This added scale positions the Company to meet rising demand across its key markets.

The well-attended launch ceremony included Alliance members, local South Korean government officials, investors, industry experts, university researchers, and media. Discussions focused on coordinating production, integrating suppliers, and detailing short-term execution plans.

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Amprius Expands Korea Battery Alliance with Three New Contract Manufacturers, source