South 8 Technologies Inc.

South 8 Technologies Inc. is a pioneering firm based in the US, specializing in advanced lithium-ion battery solutions, including the innovative LiGas® technology, which enhances performance and safety for demanding applications. Founded in 2015 and headquartered in San Diego, US, South 8 Technologies Inc. focuses on developing battery technologies.

The company was established by Jungwoo Lee and has engaged in four funding rounds since inception. The latest funding round, which occurred on December 9, 2025, raised USD 11. 00 mn and included prominent investors such as W. L.

Gore & Associates, Inc. and Lockheed Martin Ventures. South 8 Technologies specializes in advanced lithium-ion battery solutions, primarily through its flagship product, the LiGas® technology. This patented innovation features the world’s first liquefied gas electrolyte, which replaces conventional liquid electrolytes to enhance battery performance, safety, and versatility in extreme conditions.

LiGas battery cells are engineered to operate reliably in harsh environments, capable of functioning in temperatures ranging from -60 °C to +60 °C, making them suitable for applications in defense, aerospace, and electric vehicles. The company offers finished cells specifically designed for defense and specialty markets, as well as a LiGas electrolyte and injection integration kit intended for cell manufacturers. South 8's client base includes customers in various sectors such as unmanned aerial systems, robotics, and next-generation electric mobility, with products distributed in strategic geographical markets beyond the local region of San Diego, California. South 8 Technologies has structured its revenue model around B2B transactions, partnering with various sectors including defense, automotive, and robotics.

The company engages clients by supplying specialized battery solutions tailored to meet industry-specific needs, facilitating transactions through direct sales and strategic partnerships. For instance, clients can acquire LiGas cells for prototype systems or integrate LiGas technology into their own manufacturing processes. The pricing framework includes costs associated with the finished battery cells and the accompanying LiGas electrolyte kits, supporting a range of applications. South 8 also anticipates expanding its revenue streams with increased production capabilities scheduled for 2026 and future integration of its technology into onsite Gigafactory operations starting in 2028.

In December 2025, South 8 Technologies Inc. raised USD 11. 00 mn in venture funding co-led by new investor W. L.

Gore & Associates, Inc. and returning investor Lockheed Martin Ventures, with participation from other returning investors Anzu Partners, LG Technology Ventures, Porsche Ventures, and Foothill Ventures. The company plans to use the funding to expand manufacturing in San Diego, qualify with defense and aerospace customers, and fulfill multi-year supply agreements. Future product developments and market expansion initiatives are anticipated to occur in conjunction with these efforts.