the inverter is a direct current (DC) into alternating current (AC) devices

24v inverter is to 24v DC energy (battery, storage battery) into 220v 50HZ sine or square wave. Popular speaking, the inverter is a direct current (DC) into alternating current (AC) devices. It consists of an battery charger inverter bridge, control logic, and filter circuit.
Widely used in air conditioners, home theater, electric grinders, power tools, sewing machines, DVD, VCD, computers, televisions, washing machines, range hoods, refrigerators, VCRs, massage, fans, lighting and so on.