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Maxwell Technologies high-performance energy storage modules and cells.
Maxwell Technologies’ ultracapacitors provide rapid, reliable power for automotive, data centers, grid, and wind applications.
Maxwell Technologies leading global supplier of ultracapacitors. Backup Power + Regenerative Power + Burst Power + Quick Charge + Cold Starting
Maxwell Technologies’ ultracapacitors optimize data centers through AI rack stabilization, peak load shaving, and generator bridging.
Maxwell Technologies delivers advanced energy storage and power delivery solutions—ultracapacitors, modules, and capacitors—for automotive, grid, wind, and data center applications.
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Maxwell Technologies offers advanced ultracapacitor technology for rapid power delivery in grid, automotive, wind, and AI data centers.
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Clarios acquires Maxwell Technologies to expand its supercapacitor capabilities. The move strengthens Clarios’ position in high-performance energy storage solutions for automotive and industrial applications. Maxwell Technologies specializes in supercapacitors, complementing Clarios’ existing energy storage portfolio.
Nov 2025Charged EVsNews article
Tesla sold Maxwell Technologies to UCAP-Power while retaining the company’s dry electrode technology for lithium-ion battery production. The acquisition of Maxwell occurred in 2019, marking Tesla’s shift away from supercapacitors. The dry-cell tech remains under Tesla’s control for continued development.
Jul 2021pv magazine USANews article
UCAP Power acquires Maxwell Technologies’ Korean ultracapacitor business, including related assets and the Maxwell brand. The deal expands UCAP Power’s portfolio of energy storage solutions, targeting applications in electric vehicles and industrial systems. Maxwell Technologies previously specialized in advanced power solutions before restructuring.
Jul 2021Charged EVsNews article
Tesla has acquired Maxwell Technologies, a manufacturer specializing in ultracapacitors and battery systems. The deal expands Tesla’s capabilities in energy storage solutions, complementing its existing portfolio of electric vehicle and renewable energy products. Maxwell Technologies’ expertise in high-performance energy storage aligns with Tesla’s focus on advancing sustainable energy technologies.
May 2019Solar Power WorldNews article