Our Prowatt Modified Sine Wave Series of inverters are an economical solution for your power needs, and are available in handheld or hardwire models ranging from 150 to 3000 watts. A Prowatt inverter is ideal for operating resistive loads such as lighting. Its solid-state circuitry precisely regulates the voltage and frequency of the modified sine wave output, and automatic low voltage shutdown protects your expensive batteries from excessive depletion.