The round was co-led by the venture arm of W. L. Gore & Associates (Gore) and Lockheed Martin Ventures. The capital will accelerate commercialization of South 8's LiGas battery cells for aerospace and defense applications that require reliable energy in the harshest environments.

The round included participation from Anzu Partners, IQT, LG Technology Ventures, Porsche Ventures, Foothill Ventures, Alumni Ventures, and Galvion, a key South 8 business partner focused on intelligent soldier power and data systems.

South 8 Technologies is pioneering the world's first liquefied gas electrolyte (LiGas®) for lithium-ion batteries. LiGas cells enable high-performance operation across an unprecedented temperature range (-60 to +60 °C), unlocking applications in defense, aerospace, and electrified transportation. South 8 offers both finished cells and electrolyte integration kits for partners seeking to advance their systems with cutting-edge electrochemical performance. With superior reliability, unmatched versatility, and the ability to operate where conventional batteries cannot, South 8 is redefining the standards of lithium-ion technology and opening new frontiers for industries in the most demanding environments.