ReliOn is the world leader in the development and marketing of modular, cartridge-based, proton exchange membrane fuel cell technology. Currently, we are marketing a range of stationary fuel cells for emergency and backup......ReliOn is the world leader in the development and marketing of modular, cartridge-based, proton exchange membrane fuel cell technology. Currently, we are marketing a range of stationary fuel cells for emergency and backup power requirements, uninterruptible power supplies, digital power needs and a variety of off grid power requirements. We serve private and public entities as diverse as telecommunications, energy, transportation, and government. Our PEM fuel cells are commercially available today. We have sold and delivered more than 1,850kW of fuel cells in the U.S. and abroad, and count among our customers major telecommunications providers, government communication sites and utilities. In this website you can find detailed information about ReliOn and its products. But here’s a quick look.