WINSYSTEMS PS394 series of dc-dc supplies are PC/104 and PC/104-Plus highly integrated, +IBg-green energy+IBk- modules for remote applications requiring renewable power sources. Products support two inputs from solar panels, wind turbines, or other dc sources. Also included is a controller for battery charging and uninterruptable power supply (UPS) operation. Products are designed for applications not able to run off the standard ac power grid. Units require convection cooling and do not require a fan or heat sink while operating from -40C to +-85C.