The EFOY Pro 12000 Duo, our 500 W fuel cell, provides 100% reliable off-grid and backup power. Its compact design makes it ideal for mounting in a 19 inch cabinet. Clustering multiple modules enables even higher output power. By increasing the output power to 500 W, applications with higher power requirements can be easily covered with the EFOY Pro 12000 Duo. Typical applications are backup power supply for wind and telecommunication systems, off-grid power supply for surveillance, traffic management and environmental sensors and on-board use in control vehicles. With the EFOY Pro 12000 Duo SFC Energy provides a reliable energy source for applications with higher energy demands.