Samsung SDI has acquired GM’s 49.99% stake in SynergyCells, the $3.5 billion joint venture developing a battery cell factory in New Carlisle, Indiana. The deal gives Samsung SDI full ownership of what is expected to become its first independently operated battery production facility in North America. Samsung SDI to Own Indiana Battery PlantGM and Samsung SDI originally announced plans for the Indiana battery factory in 2023, with the project formally structured as a joint venture. GM and Samsung SDI Still Plan to Develop EV BatteriesGM’s exit from the joint venture does not mean the partnership with Samsung SDI is ending entirely. Another Battery Plant Exit for GMGM’s decision to leave the Samsung SDI joint venture follows another major battery-related withdrawal.