The DR Inverter/Charger provides dependable modified sine wave power for businesses, homes and workshops.2400VAWith 100% Maintenance-Free four 120 amp Batteries.it can power most common electrical appliances such as lights, televisions, cash registers, refrigerators, washing machines, computers, and power tools. The DR’s high surge capacity gives it the ability to start difficult motor loads. Once set up, all functions of the inverter/charger are fully automatic.