NOVELTY - A fuel cell device (1) comprises a fuel cartridge (2) to accumulate a fuel in it; and a fuel cell device main body (101) to generate electric power by using the fuel accumulated in the fuel cartridge, where the fuel cell device main body is provided with a cartridge conveying body (400). The fuel cartridge can be attached to and detached from the cartridge conveying body. The cartridge conveying body is provided so as to be rotatable with respect to the fuel cell device main body.    USE - As a fuel cell device useful in an electronic equipment (claimed), such as notebook-sized personal computer, personal digital assistant (PDA), electronic personal organizer, digital camera, cellar phone, wrist watch, and game equipment.    ADVANTAGE - The fuel cell device is capable of freely attaching and detaching a fuel cartridge by a simple operation. By installing the fuel cartridge to the cartridge conveying body to push in the fuel cartridge, the fuel cartridge can be easily installed in the electronic equipment. Because the fuel cartridge is pushed out to the rear direction only by pulling the fixing member to the rear direction, the fuel cartridge can easily be removed. The fuel cartridge can easily be rotated by sliding the fuel cartridge along the outer peripheral surface of the air pump in association with the rotation of the cartridge conveying body. Because the fuel cartridges are arranged above and below, the fixing members can also be arranged above and below closely, and have an advantage of easily performing the operation of attaching and detaching. Because the fuel cartridges are removed by pulling the fixing members to the rear directions, the fuel cartridges do not come off even when the fuel cartridges inadvertently collide.    DETAILED DESCRIPTION - A fuel cell device (1) comprises a fuel cartridge (2) to accumulate a fuel in it; and a fuel cell device main body (101) to generate electric power by using the fuel accumulated in the fuel cartridge, where the fuel cell device main body is provided with a cartridge conveying body (400). The fuel cartridge can be attached to and detached from the cartridge conveying body. The cartridge conveying body is provided so as to be rotatable with respect to the fuel cell device main body. The fuel cartridge is detachably attachable to the cartridge conveying body by moving the fuel cartridge in an opposite direction of the cartridge conveying body. The cartridge conveying body comprises a cartridge holding section into which the fuel cartridge is inserted. An engaging concave portion is provided on an outer surface of the fuel cartridge at a portion where the fuel cartridge is inserted into the cartridge holding section. The cartridge holding section comprises a cartridge fixing section at an inner surface, which is provided with a seizing projection to engage with the engaging concave portion so as to fix the fuel cartridge onto the cartridge fixing section.    DESCRIPTION OF DRAWING(S) - The figure shows a perspective view of fuel cell device.    Fuel cell device (1)    Fuel cartridge (2)    Fuel cell device main body (101)    Cartridge conveying body (400)    Seizing section (430)