SK On is a prominent South Korean company specializing in the development and production of lithium-ion battery cells and modules. The company focuses on advanced battery technologies for electric vehicles, energy storage systems, and other applications requiring high-performance energy solutions.
Its product portfolio includes LFP battery cells, which are known for their safety and longevity, making them suitable for stationary energy storage. SK On has been actively expanding its manufacturing capabilities, with references to U.S. production facilities to support growing demand in North America.
Based in Seoul, South Korea, SK On operates as a key subsidiary within the SK Group, having been established through the spin-off of the battery division from SK Innovation. This structure allows it to leverage the resources of the larger conglomerate while focusing on battery innovation and commercialization.
The company supplies batteries to major automotive manufacturers and energy companies worldwide, positioning itself as a significant player in the global transition to electric mobility and renewable energy integration. Through strategic agreements, such as the long-term supply deal for 9 GWh of LFP cells, SK On demonstrates its commitment to the energy storage market.
With operations spanning Asia and plans for international expansion, SK On contributes to the competitive landscape of the battery industry alongside other leading manufacturers.
Also known as SK온, SK Innovation Battery Division, and 에스케이온.
Five-year 9 GWh LFP pouch-cell supply runs 2027–2031; reciprocal pack purchases and an extra 9 GWh lift total partnership to 18 GWh to serve U.S. BESS demand.
Long-term supply and distributorship for premium Group III base oils in North America to expand market access amid tightening global supply.
