Converting direct current power into alternating current power has never been easier. The SIGMAMAX6048 Pure Sine Wave Inverter Generator uses pure sine waves that are as powerful, if not more, than public utility power. Whether your needs are for multiple major appliances or a whole house, you can rely on the SigmaMax series to provide you with constant pure sine wave output to give your appliances maximum protection and optimum performance. This 240Vac inverter can connect to multiple power sources to give you the flexibility to customize to your environment. The inverter connects directly to solar panels with a built-in 80A MPPT solar controller, auto charges deep cycle batteries, and when battery voltage is low, it auto-starts generators (via dry contact) to continue charging the battery. The design of this inverter is built with elegance and class while internally using the most advanced technologies. With the easy programmable LCD display, you can customize output voltage, frequency, charging voltage, charging current to suit different load applications. SigmaMax - the all-in-one reliable inverter for residential and commercial uses.