... 3.High Frequency 4.Full automatic InverMax 500/1000/2000VA power inverter 1.INVERMAX is a DC-to-AC inverter with auto ... and integrated charging system, serving as an extended run UPS, a standalone power source or an automotive inverter.INVERMAX supplies power ... power and DC source. When AC cable is connected to a wall socket, utility power goes to connected equipment(s) and ...