An electronic apparatus is provided. A component part containing chamber provided in the inside of a case constituting an armor of an electronic apparatus is so configured that a rectangular plate-like battery can be mounted and dismounted via a rectangular first opening opened in the lower surface of the case. One side wall in the vicinity of the first opening is provided with a second opening, and a component part containing space communicated with the second opening is provided in the inside of the case. A holder is provided which includes a first plate portion detachably attached to the second opening to shut off the second opening, and a second plate portion projecting from the first plate portion and extending in the component part containing space in the condition where the first plate portion shuts off the second opening, and a separable body is contained in the component containing space together with the holder. By this configuration, it is possible to provide an electronic apparatus which is not impaired in appearance quality and in which the operation of removing the separable body such as a secondary battery and electrical component parts at the time of discarding the electronic apparatus can be easily carried out.