Abstract: A portable device driven by a secondary battery which is chargeable and dischargeable, the portable device including a full charge detecting unit configured to detect full charge of the secondary battery in receipt of a report of the full charge and acquires capacity data indicative of a capacity of the secondary battery, a memory controlling unit configured to store the capacity data acquired by the full charge detecting unit in a memory unit, and a display control unit configured to cause a display unit of the portable device to display the capacity data stored by the memory controlling unit in chronological order.

Abstract: Disclosed is a battery pack including a secondary battery chargeable and dischargeable and providing a power from the secondary battery to an apparatus body that contains the battery pack, including, a residual capacity detecting unit that detects a residual capacity of the secondary battery; a full charge detecting unit that detects a full charge of the secondary battery based on the residual capacity; and a full charge reporting unit that reports that the full charge is detected to the apparatus body.

Abstract: A portable device which is driven by a chargeable and dischargeable secondary battery mounted on a battery pack having a memory circuit, in which identification information of the secondary battery is stored, the portable device including a defective battery information receiving unit configured to receive defective battery information which is delivered from a defective battery ID information delivering organization; a requesting unit configured to request obtaining the identification information of the secondary battery stored in the memory circuit; a determining unit configured to determine whether the identification information of the secondary battery is included in the defective battery information; and a report controlling unit configured to report a defect of the secondary battery if it is determined by the determining unit that the identification information of the secondary battery is included in the defective battery information.

Abstract: A portable device driven by a secondary battery which is chargeable and dischargeable, the portable device including a full charge detecting unit configured to detect full charge of the secondary battery in receipt of a report of the full charge and acquires capacity data indicative of a capacity of the secondary battery, a memory controlling unit configured to store the capacity data acquired by the full charge detecting unit in a memory unit, and a display control unit configured to cause a display unit of the portable device to display the capacity data stored by the memory controlling unit in chronological order.

Abstract: A mobile device includes a plurality of applications and is driven by a chargeable and dischargeable secondary battery to perform the applications. The mobile device includes a remaining quantity detecting unit which detects a remaining quantity of the secondary battery, a current consumption computing unit which computes a current consumption consumed by execution of each of the applications, a processing amount computing unit which computes an executable processing amount of each of the applications based on the battery remaining quantity detected by the remaining quantity detecting unit and the current consumption of each of the applications computed by the current consumption computing unit, and a display control unit which displays the executable processing amount of each of the applications computed by the processing amount computing unit on a display device of the mobile device.

Abstract: A portable device driven by a battery unit including a rechargeable battery which can be charged and discharged, the portable device includes an impact detecting part configured to detect an impact applied to the portable device; an abnormality determining part configured to determine whether an abnormality is generated in the battery unit based on status information indicating the status of the battery unit; and a display control part configured to control displaying by a displaying device of the portable device, wherein the abnormality determining part determines whether the abnormality is generated in the battery unit in a case where the impact is detected by the impact detecting part; and the display control part performs the displaying indicating the abnormality of the battery unit in a case where the abnormality determining part determines that the battery unit is abnormal.