Abstract: A portable electric inflator includes: a housing comprising an upper end, a lower end, and a receiving chamber that extends from the upper end to the lower end; an air compressor including a motor, a transmitting mechanism, and a pump that are received in the receiving chamber and sequentially arranged in an order from the upper end to the lower end, wherein a receiving space is formed between the pump and the housing; a battery assembly arranged in the receiving chamber, the battery assembly including: a battery retainer received in the receiving space; at least two battery cells arranged side by side in the battery retainer; a support member extending from one end of the battery retainer adjacent to the lower end, the support member perpendicular to a lengthwise direction of the battery retainer; and a circuit board fixed to the support member.

Abstract: A portable electric inflator includes: a core assembly including a motor and an air compressing mechanism, the motor configured to drive the air compressing mechanism to compress and discharge air; a housing defining a receiving space for accommodating the core assembly, and having an external surface that defines a display receiving hole and a number of through holes communicating with the receiving space; a cloth in full contact with and covering the external surface of the housing, the cloth defining an opening, an edge of the opening extending from a junction of the display receiving hole and the external surface of the housing into the housing, forming a side surface covering portion that is in contact with an inner side surface of the display receiving hole; and a display received in the display receiving hole, the display comprising a lateral surface abutting against the side surface covering portion.