The SolarEdge 404W power optimizer has an outstanding efficiency of 99.5%. A unique solution was used to prevent the problem of module mismatch or partial shading. Separate monitoring for each module greatly simplifies system management. SolarEdge P404 has a function to reduce the voltage of each module - at installation or in case of fire. Up to 25% more energy. A unique solution that prevents the problem of module mismatch or partial shading. Maximum space utilization thanks to a flexible installation design system. Quick installation with a single screw. Separate monitoring for each module greatly simplifies system management.