Cummins enters agreement with Sion Power to develop lithium metal technology
By Cummins Inc., Global Power Technology Leader

Cummins is furthering their battery technology portfolio by entering an agreement with Sion Power Corporation, a leading developer of high-energy rechargeable battery technology, to design and supply battery cells based on their proprietary lithium metal technology for commercial vehicle applications. In connection with the agreement, Cummins has invested in Sion Power. The investment provides Cummins a minority stake in Sion Power and allows Sion Power to further develop their lithium metal technology for the commercial vehicle technology, positioning both companies for success in the future commercialization of the technology.
“Our customers rely on Cummins to provide the most robust electric powertrains in the world. We need battery technologies that will meet the performance and cost expectations for tough, commercial vehicle duty cycles.” - Amy Davis, Vice President at Cummins and President of the company’s New Power segment.
Under the agreement, Sion Power will engage in a multi-year development program to design and supply large-format lithium metal battery cells for use in Cummins battery packs. The batteries developed by Cummins will be integrated in its electric powertrains for commercial vehicles.
Sion Power’s high-energy battery chemistry is an important component of Cummins’ roadmap to electrify the company’s commercial vehicle products. Based on Sion Power’s proprietary lithium-metal anode technology and incorporating its patented manufacturing process, the cell provides a robust, long-lasting rechargeable battery for Cummins’ demanding applications.
“Sion Power’s Licerion® is an enabling technology for Cummins’ future electric commercial vehicle offerings. Cummins is an ideal partner for Sion Power to enable this next generation of electric mobility and significantly support the decarbonization of the transportation industry. Together this strategic relationship sets us on a path to deliver the future of batteries.” - Tracy Kelley, Chief Executive Officer at Sion Power.
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Cummins Inc., Global Power Technology Leader
Cummins Inc., a global power solutions leader, comprises five business segments – Components, Engine, Distribution, Power Systems, and Accelera by Cummins – supported by its global manufacturing and extensive service and support network, skilled workforce and vast technological expertise. Cummins is committed to its Destination Zero strategy – the company’s commitment to sustainability and helping its customers successfully navigate the energy transition with its broad portfolio of products. Cummins has approximately 69,900 employees and earned $3.9 billion on sales of $34.1 billion in 2024. See how Cummins is leading the world toward a future of smarter, cleaner power at www.cummins.com.
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