The present invention relates to a movable type low-voltage dual-supply converter. The converter comprises a box body, a dual supply transfer switch, the box body is internally provided with the dual supply transfer switch, a state display lamp and an alarm buzzer. The outer side of the box body is provided with two groups of power supply wiring terminals and one group of load wiring terminal, two primary input terminals are connected with the two groups of power supply wiring terminals, and the output end of the dual supply transfer switch is connected with the load wiring terminal; and the state display lamp and the alarm buzzer are connected with the secondary auxiliary contact of the dual supply transfer switch through a copper-plastic wire. The movable type low-voltage dual-supply converter practically ensures the automatic transition of the dual power supply, shortens the power failure time, obtains great application of each power protection field, is portable and convenient to move, and is not limited by the field environment of the device.