eVionyx, Inc. (eVionyx) is mainly engaged in the development of metal-fuel-cell technology. The company develops products, which include fuel cells and batteries for the use in transportation products such as scooters, golf carts, and hybrid vehicles. In addition, eVionyx is also used in portable products such as electronics and power tools, and backup power products such as UPS systems. It maintains approximately 100,000 square feet of facilities, including electrochemical laboratories, offices, and manufacturing space. It operates in the US and Taiwan. The company is headquartered at Hawthorne in New York, the US.