Disclosed is an electrical power receptacle device, comprising: a main body, a dual-sided power socket, and a flip unit, wherein, the main body has a retaining wall. The dual-sided power socket is disposed in the accommodating space. The flip unit couples to the main body and the dual-sided power socket for providing the dual-sided power socket to be flipped to an open position or to a close position on the main body, wherein, as the dual-sided power socket is flipped to the open position, the dual-sided power socket is facilitated to be fixed and maintained in the open position on the main body by the retaining wall.