South 8 Technologies

South 8 Technologies, founded in 2016, develops advanced LiGas® lithium-ion batteries. Their innovative electrolyte system enhances safety, performance, and temperature resilience, providing reliable solutions for electric vehicles, aerospace, defense, and other demanding applications.

Company Location

Country:

United States

City:

San Diego, California

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Company Overview

South 8 Technologies, founded in 2016 as a spin-out from UC San Diego, develops advanced lithium-ion battery solutions through its LiGas electrolyte system. The company’s mission is to create safer, more efficient batteries that perform reliably in extreme environmental conditions. Headquarters in San Diego, California.

Battery Technology

South 8 Technologies’ core innovation is the LiGas electrolyte technology, which uses liquefied gas electrolytes stable under pressure and operable from -60°C to +60°C. It enhances safety by reducing fire risk, improves performance with faster charging and higher energy density, maintains temperature resilience in extreme conditions, and integrates with existing manufacturing via single-shot filling and rapid formation.

Products

Recent Projects

In 2024, secured strategic investment from Porsche Ventures; recognized in TIME’s Best Inventions 2024 (Green Energy); in 2025, awarded a $1.6 million U.S. Army contract to develop Arctic LiGas battery packs for military radios and night vision equipment.

Investors

Strategic investors in South 8 Technologies include Anzu Partners, LG Technology Ventures, Shell Ventures, Foothill Ventures, Taiyo Nippon Sanso Corporation, Lockheed Martin Ventures, and Porsche Ventures.

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