摘要 |
PURPOSE: A mobile assist battery pack and a power supply device are provided to use the battery pack as an auxiliary power source of a cellular phone, and to charge the battery pack by connecting to a computer. CONSTITUTION: A mobile assist battery pack (100) supplies auxiliary power to a cellular phone, and has a flat ground touching surface on the lower side. The assist battery pack includes a batter case (110), a first plug connector (120), a battery (130), and a charging terminal. The battery case includes the ground touching surfaces on both upper sides, a recess in between the ground touching surfaces, and a balance support. The first plug connector is vertically installed on the recess of the battery case, and is connected to a connection terminal of a cellular phone. The battery is electrically connected to the first plug connector. The charging terminal is installed on the battery case to charge the battery, and is supported by the balance supporter in an inclined form. |