The OutBack FX and VFX Series Off-Grid true sine wave inverter/chargers are the complete charger solution. OutBack incorporates complete DC to 60Hz/120vAC 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 VFX incorporates a vented chassis with bug proof screened openings that allow for high output AC power in the hottest of operating conditions.