The utility model discloses a mobile power supply with a card storage function. The mobile power supply comprises a main body and a card cover, the card cover is connected to the back of the main body, the card cover and the main body form an accommodating cavity for placing a card, a battery core, a
wireless transmitting coil, a magnetic coil piece and a PCB are arranged in the main body, a
power transmission interface is further arranged on the side portion of the main body, and the battery core, the
wireless transmitting coil and the
power transmission interface are electrically connected to the PCB. Therefore, two charging
modes of
wireless charging and wired charging are provided. According to the utility model, through the built-in battery core, wireless transmitting coil,
power transmission interface and PCB circuit board, both wired charging and wireless charging of a
mobile phone are supported, and the dual charging mode increases the flexibility and convenience of use; besides the charging function, the card cover and the main body are designed to form the accommodating cavity for accommodating the card, so that a user can conveniently accommodate the card in the mobile power supply, the space is saved, and the risk that the card is lost is reduced.