An adapter for charging control includes a power converting unit, a voltage feedback unit, a current feedback unit, and a power adjusting unit. The power adjusting unit includes an input end coupled to an output end of the voltage feedback unit to an output end of the current feedback unit, and an output end coupled to the power converting unit. The power adjusting unit is used to receive the voltage feedback signal and the current feedback signal, and stabilize the output voltage and output current of the second adapter when the voltage feedback signal indicates that the output voltage of the second adapter has reached the target voltage, or the current feedback signal indicates the output current of the second adapter has reached the target current.