Coolisys Technologies

Coolisys Technologies is a global provider of power conversion and distribution solutions, specializing in high-reliability power supplies for the medical, defense, and industrial sectors. The company designs and manufactures a wide range of AC-DC and DC-DC power solutions that are critical for medical imaging, diagnostic equipment, and life-support systems. As a subsidiary of Ault Alliance, Coolisys operates through several established brands, including Digital Power Corporation and Gresham Power Electronics. Their products are engineered to meet stringent healthcare safety standards, such as IEC 60601-1, ensuring patient and operator safety in clinical environments. In addition to healthcare, the company is expanding into electric vehicle (EV) charging infrastructure and telecommunications power systems.