The invention discloses a power connector, which comprises an insulating seat, positioning seats, pins, connecting blocks, elastic pieces, an arc clip, pin feet, a cover plate, locking bolts and the like. By providing the arc-shaped elastic pieces on the pins, the pins can be ensured to be in good contact; the pins are inserted into the positioning seats through the connecting blocks, and the pinstructures are fixed to prevent the pins from falling off a plug; and each pin is separately installed and arranged for easy replacement; heat dissipation holes are provided in the side walls of recesses in the insulating seat, and the heat can be dissipated when the plug is connected, so as to prevent the temperature from being too high and affecting the use of the device.