Samsung SDI acquires General Motors' stake in SynergyCells battery cell joint venture and sole ownership of New Carlisle, Indiana factory

Type: Acquisition · Technology: Storage · Country: United States · Announced: 2026-08-11

Samsung SDI completed the acquisition of General Motors' 50% stake in the SynergyCells joint venture, gaining full ownership of the battery cell manufacturing plant in New Carlisle, Indiana. The transaction transfers control of the facility to Samsung SDI, marking its first fully owned battery cell factory in North America. General Motors exits the joint venture after years of collaboration focused on producing battery cells for electric vehicles. The New Carlisle plant, operational since 2023, has been a key part of GM's strategy to secure in-house battery production capacity. Samsung SDI now assumes sole responsibility for the factory's operations, workforce, and future production plans.

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