South 8 Technologies

South 8 Technologies, Inc. is redefining Lithium-ion batteries with its patented liquefied gas electrolyte, LiGas®. Replacing conventional liquid electrolyte, LiGas battery cells significantly enhance safety, performance, and temperature range—enabling reliable operation (charge and discharge) from -60 to +60 °C. LiGas is compatible with standard battery materials and manufacturing processes, while delivering higher energy, supporting fast charging, and reducing overall manufacturing cost. The result: cleaner, more capable batteries for more environments and applications. Headquartered in San Diego, South 8 serves a range of customers—from cell manufacturers to end-users in defense, aerospace, and electric vehicle OEMs. The company holds 42 patents across 14 countries, and is backed by leading investors including Anzu Partners, LG Technology Ventures, Shell Ventures, Foothill Ventures, Taiyo Nippon Sanso, Porsche Ventures, and Lockheed Martin Ventures.