Power supply convenient to use

The utility model discloses a power supply convenient to use. Machine body, a display screen is arranged above the surface of the front end of the machine body; two sets of adjusting knobs are arranged on the front end surface of the machine body and located below the display screen, a power switch is arranged on the side, located below the adjusting knobs, of the front end surface of the machinebody, and a positive electrode interface, a negative electrode interface and a grounding port are formed in the other side, located below the adjusting knobs, of the front end surface of the machine body side by side. The utility model relates to a power supply convenient to use. A movable handle is movably mounted behind the top of a machine body; the pull rope is connected to the movable handleand connected to the winder in the machine body, so that the machine body is conveniently pulled to move through the movable handle and the pull rope, storage is completed through the winder and the storage groove, in addition