A wireless charging device, comprising: a communication control circuit, configured to receive a request instruction sent by a device to be charged, the request instruction being configured to request the wireless charging device to provide a type of a power supply device to the device to be charged; and to send the type of the power supply device identified by the wireless charging device to the device to be charged according to the request instruction, the type of the power supply device comprising a fast charging type and a normal type, a maximum output power provided by a fast charging power supply device being greater than or equal to a preset value, and a maximum output power provided by a normal power supply device being less than the preset value, the wireless charging device further comprising: a wireless transmitter circuit, configured to transmit an electromagnetic signal in a first wireless charging mode to charge the battery when the power supply device is the fast charging power supply device, or, to transmit an electromagnetic signal in a second wireless charging mode to charge the battery when the power supply device is the normal power supply device; wherein a charging speed of the wireless charging device charging the battery in the first wireless charging mode is greater than a charging speed of the wireless charging device charging the battery in the second wireless charging mode, wherein the first wireless charging mode is a wireless charging mode in which an output power of the wireless charging device is variable; and the second wireless charging mode is a wireless charging mode in which the output power of the wireless charging device is fixed, wherein in the first wireless charging mode, a power of an electromagnetic signal transmitted by the wireless transmitter circuit matches a charging voltage and/or a charging current currently required by the battery, wherein the communication control circuit is further configured to: identify the type of the power supply device before receiving the request instruction. a communication control circuit, configured to receive a request instruction sent by a device to be charged, the request instruction being configured to request the wireless charging device to provide a type of a power supply device to the device to be charged; and to send the type of the power supply device identified by the wireless charging device to the device to be charged according to the request instruction, the type of the power supply device comprising a fast charging type and a normal type, a maximum output power provided by a fast charging power supply device being greater than or equal to a preset value, and a maximum output power provided by a normal power supply device being less than the preset value, the wireless charging device further comprising: a wireless transmitter circuit, configured to transmit an electromagnetic signal in a first wireless charging mode to charge the battery when the power supply device is the fast charging power supply device, or, to transmit an electromagnetic signal in a second wireless charging mode to charge the battery when the power supply device is the normal power supply device; wherein a charging speed of the wireless charging device charging the battery in the first wireless charging mode is greater than a charging speed of the wireless charging device charging the battery in the second wireless charging mode, wherein the first wireless charging mode is a wireless charging mode in which an output power of the wireless charging device is variable; and the second wireless charging mode is a wireless charging mode in which the output power of the wireless charging device is fixed, wherein in the first wireless charging mode, a power of an electromagnetic signal transmitted by the wireless transmitter circuit matches a charging voltage and/or a charging current currently required by the battery, a wireless transmitter circuit, configured to transmit an electromagnetic signal in a first wireless charging mode to charge the battery when the power supply device is the fast charging power supply device, or, to transmit an electromagnetic signal in a second wireless charging mode to charge the battery when the power supply device is the normal power supply device; wherein a charging speed of the wireless charging device charging the battery in the first wireless charging mode is greater than a charging speed of the wireless charging device charging the battery in the second wireless charging mode, wherein the first wireless charging mode is a wireless charging mode in which an output power of the wireless charging device is variable; and the second wireless charging mode is a wireless charging mode in which the output power of the wireless charging device is fixed, wherein in the first wireless charging mode, a power of an electromagnetic signal transmitted by the wireless transmitter circuit matches a charging voltage and/or a charging current currently required by the battery, wherein the communication control circuit is further configured to: identify the type of the power supply device before receiving the request instruction.