A charging device for a mobile terminal includes a mobile power supply for charging the mobile terminal and two handles respectively located at two sides of the mobile power supply. The mobile power supply is provided with a retaining member for being detachably connected with the mobile terminal. In use, users can use the handles to operate the mobile terminal, thereby avoiding discomfort of the wrists of the users caused by using the mobile terminal for a long time. The mobile power supply is capable of charging a battery within the mobile terminal to extend life of the battery.