The Schneider Electric Conext SW line of inverters is perfect for off- grid and backup power systems. Its pure sine wave output ensures that it’s compatible with all of your AC powered equipment and devices. The units also have a built-in charger that can recharge your battery bank from a generator or other AC source. The AC output is split phase 120/240 volts and can be set for 50Hz or 60Hz operation. The user may also stack the SW units together to double the power output capability. The Schneider Conext SW inverters are some of the lowest cost, feature rich and user friendly inverters in its class.