Abstract: The invention provides a wireless power charger comprising a wireless and a power bank. The wireless charging base including a wireless transmitter configured to transmit an identification signal. The power bank is electrically connected to a portable device including a first rechargeable battery, and the power bank including a second rechargeable battery, a wireless receiver, and a control unit. The wireless receiver is configured to receive the identification signal and transmit a response signal to the wireless transmitter while the power bank is placed onto the wireless charging base. The control unit is configured to control and output the power to the first rechargeable battery or the second rechargeable battery.