maxwell+spark Raises $15M Series B Funding to Power Industrial Electrification

Clinton Bemont, maxwell+spark CEO

Lithium-ion green-tech company maxwell+spark has completed its $15 million Series B funding round on Friday (24 Oct), led by Klima, Alantra’s Energy Transition Fund, which brings Chevron Technology Ventures (CTV) and Idemitsu on board.

This investment fuels maxwell+spark’s drive to electrify industrial logistics through a unified, configurable battery ecosystem that replaces diesel engines and lead-acid systems across forklifts, refrigerated transport, and backup power. Its lithium-ion systems are modular, circular, data-driven, and interconnected—underpinned by eight years of real-world performance data from thousands of deployed units. By connecting isolated machines into an integrated low-carbon network, maxwell+spark helps operators optimise cost and performance while reducing emissions.

Clinton Bemont, CEO of maxwell+spark, said:

“Closing this Series B round marks a defining step for us. The backing of global energy leaders—Chevron Technology Ventures, Idemitsu, and Klima—alongside Fairtree, reinforces both our mission and our execution. Industrial logistics is among the toughest, most cost-driven sectors to decarbonise. This investment accelerates the reliable, intelligent, and cost-effective energy systems our customers rely on every day.”

Bastien Gambini, Managing Directorof Alantra’s Energy Transition Fund, Klima, added:

“We’re delighted to welcome Chevron Technology Ventures (U.S.) and Idemitsu (Japan) as strategic investors in maxwell+spark. Their participation underscores the company’s technological strength and global potential. Following Klima’s initial backing in September, this second closing broadens maxwell+spark’s international reach and accelerates its mission to decarbonise energy-intensive industries through advanced electrification.”

Jim Gable, President of Technology Ventures at Chevron, commented:

“maxwell+spark’s modular lithium-ion battery systems provide a potentially safer and lower-cost path to electrify industrial transport. This is the latest investment from our Future Energy Fund, which focuses on industrial decarbonisation, emerging mobility, energy decentralisation, and the growing circular economy. We welcome maxwell+spark to the portfolio.”

Series A backing from Fairtree helped maxwell+spark become a global benchmark for reliable, cost-effective, low-carbon industrial logistics power.

David Evans, Managing Director of Fairtree Elevant Ventures, commented:

“maxwell+spark is driving a revolution in industrial energy solutions with an exceptional team and technology, and a business that has built tremendous momentum on a global scale. At Fairtree Elevant Ventures, it has been a privilege to support the company’s growth from its early days.”

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