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Appliances, Electrical, and Electronics ManufacturingMassachusetts, United States11-50 Employees

Protonex Technology Corporation is a small to mid-sized company based in Southborough, Massachusetts, operating in the appliances, electrical, and electronics manufacturing sector. It develops power management solutions for military and defense markets and produces small portable fuel cells for commercial and industrial applications. The company’s core businesses have since been reorganized, with the PEM Fuel Cell unit joining Ballard Power Systems, the Power Management unit going to Revision Military, and the SOFC Fuel Cell unit becoming Upstart Power, Inc.

The firm has a history of product development and industry engagement, including the 2017 introduction of the PTX line of rugged, intelligent power management solutions designed for in-field charging of UAVs and UGVs, showcased at the AUSA Expo. Earlier milestones include the 2015 P200i solid oxide fuel cell-based portable power system for remote power needs, and governance changes such as a 2014 non-executive board appointment. Protonex serves defense customers as well as commercial and industrial users seeking portable power and power-management capabilities.

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