The OutBack GTFX and GVFX Series Grid interactive true sine wave inverter/chargers are the complete charger solution. OutBack incorporates complete DC to AC sine wave inverter, battery charger and AC transfer switch housed within a diecast aluminum chassis that can stand up to the harshest environmental conditions such as humidity and salt air. The GVFX incorporates a vented chassis with bug proof screened openings that allow for high output AC power in the hottest of operating conditions.