Headquarters: Southborough, MA
Industry: Power Management Electronics
Year of Deal: 2014
Protonex is a leading provider of high performance power management equipment and advanced fuel cell power solutions for portable, remote and mobile applications for use by the military and government agencies. Its patented technology and products are among the industry's smallest, lightest and highest performing systems. WindSail was repaid in October 2015 upon its merger with Ballard Power Systems (NASD: BLDP).