A battery check device for a portable electronic apparatus, such as a digital camera, for example, can selectively use a plurality of types of batteries. The battery check device comprises a battery determining processor that determines a type of battery, when the battery is mounted in the portable electronic apparatus. A battery check processor is provided for checking the residual battery powerin accordance with the determined battery type for the mounted battery. An indicating processor indicates the plurality of types of batteries that can be mounted in the portable electronic apparatus.The indicating processor further indicates the determined battery type.