Patent ID: 8579656

Claim:
A power supply, comprising: a body having a docking space and two terminals protruding from the docking space; and a plug detachably mounted to the body, comprising: a base having an accommodating space; two conductors oppositely arranged in the accommodating space; a positioning cover connected to the body and covering the accommodating space, the positioning cover having two guiding slots corresponding to the two terminals, the two terminals being correspondingly arranged in the two guiding slots respectively; and a braking ring arranged between the two conductors and the positioning cover, an interior edge of the braking ring being corresponding to the two guiding slots and being provided with a plurality of positioning grooves, wherein the plug is configured to rotate in multi-direction with respective to the body, and the two terminals are slidably received in the guiding slots and are positioned in the positioning grooves to be electrically coupled to the two conductors respectively.