Patent ID: 8536829

Claim:
A charging system comprising: an electronic product having at least one electrode contact; at least one adapter unit having a first coupling portion electrically connected to a power supply unit and a second coupling portion electrically connected to the electronic product on a casing of the adapter unit, the second coupling portion having an electrode contact matching a specification of the electronic product; the power supply unit having a third coupling portion electrically connected to the first coupling portion of the adapter unit on a casing of the power supply unit; and a first magnetic attraction component and a second magnetic attraction component, which are attracted to each other, are respectively disposed to a coupling portion between the adapter unit and the power supply unit, wherein a voltage step-down circuit and a detection circuit electrically connected to the first coupling portion, the second coupling portion and the voltage step-down circuit are integrated into the adapter unit, and output voltages of the voltage step-down circuit are automatically regulated through the detection circuit detecting a status of the electronic product, wherein the detection circuit further detects current transmission states of the first coupling portion and the second coupling portion, and the casing of the adapter unit is equipped with a display module for displaying an operation status of the power adapter, and a microcontroller is disposed inside the casing, and the microcontroller is electrically connected to the detection circuit and the display module and presets a plurality of control modes corresponding to the display module to mainly receive signals of the detection circuit and control an operation of the display module.