Abstract: A method including: receiving identification information of a charging device including individual identification information of the charging device, and identification information of a power storage device, which is connected to the charging device, including individual identification information of the power storage device, from at least one of the charging device and the power storage device; determining the possibility of charging the power storage device from the identification information of the power storage device and the identification information of the charging device received; and transmitting information indicating the determined possibility of charging the power storage device to at least one of the charging device and the power storage device.

Abstract: A method for controlling an information terminal includes: (a) transmitting a signal for unlocking an electric storage device locked in an unusable state to the electric storage device at at least one of a timing after a user's instruction to install a program, in an information terminal, for transmitting history information of a state of the electric storage device to a server device is accepted and a timing after a user's instruction to activate the program in the information terminal is accepted.

Abstract: An information displaying method is provided. A monitor of a display device is caused to display, for each of a plurality of devices, first information and second information. The first information indicates a device of the plurality of devices. The second information indicates a state of charge of a battery pack in the device. The first information and the second information are displayed in association with each other.

Abstract: A battery pack having a housing and a secondary battery inside the housing, and including a communicator that receives an instruction related to the secondary battery from an external communication terminal device via short-distance wireless communication and a controller that executes an operation in accordance with the instruction by using a status of the secondary battery. The external communication terminal device, by transmitting to the battery pack the instruction, which is related to the status of the secondary battery, acquires a response that is in accordance with the status of the secondary battery from the battery pack, thereby facilitating checking of secondary battery state.

Abstract: A method for controlling an information terminal according to one aspect of the present disclosure includes: when a user of the information terminal uses the electric mobile body, acquiring information indicative of a state of an electric storage device mounted in an electric mobile body from the electric storage device via a first communicator that is a communicator of the information terminal and that performs near field communication with the electric storage device; and transmitting the information indicative of the state of the electric storage device to a server device via a second communicator that is a communicator of the information terminal and that communicates with the server device.

Abstract: An system is provided that includes a first circuit that serially connects storage battery units, second circuits, and adjusters that adjust an amount of current flowing at the second circuits. The system also includes a controller that executes at least one of first control, where voltage at a first storage battery unit is made to be higher than voltage at a second storage battery unit regarding which prediction has been made that a degree of deterioration will be greater than the degree of deterioration of the first storage battery unit, and charging is stopped. The system further includes second control, where the adjusters are controlled and voltage at the first storage battery unit is made to be lower than voltage at the second storage battery unit, and discharging is stopped.

Abstract: A server device includes: a storage unit that stores points that a user of the battery pack holds, the points being usable as fees for at least one of usage of the battery pack and enjoyment of a service; and a control unit that changes the points, based on whether or not a usage state satisfies a usage condition, the usage condition including at least one of a condition for state management of the battery pack and a condition for usage promotion of the battery pack.

Abstract: An apparatus includes a motor-driven moving object that is driven using power from a power storage device, a display device that displays a direction in which the motor-driven moving object is directed to move, and a communicator that wirelessly communicates with a mobile terminal. When the communicator receives direction information indicating the direction in which the motor-driven moving object is directed to move, the display device displays the direction based on the received direction information. A method thereof includes receiving direction information indicating a direction in which the motor-driven moving object is directed to move, the motor-driven moving object being driven using power from the power storage device, and displaying, by the display device provided with the motor-driven moving object, the direction based on the received direction information.

Abstract: A method performed by an information terminal is provided. Profile information of an electrical device connected to a storage battery pack is received from the storage battery pack. The profile information includes device identification information of the electrical device and an item of state information indicating a state of the electrical device. A value of the item of state information of the electrical device is received from the storage battery pack. When a first instruction that causes the item of state information and the value of the item of state information to be displayed is received, a first display screen is displayed on the display of the information terminal. The first display screen depicts the item of state information and the value of the item of state information by using the received profile information and the received value of the item of state information.

Abstract: A power storage device includes a storage battery, a mounting unit that detachably mounts the power storage device on a motor-driven moving object, an output controller that controls output of driving power from the storage battery to the motor-driven moving object, and a controller that, when the motor-driven moving object is within a particular area, causes the output controller to reduce the driving power supplied from the power storage device to the motor-driven moving object compared to the driving power when the motor-driven moving object is outside the particular area.

Abstract: A line switching system is a line switching system which switches line of a power supply system including: a plurality of PV panels which generate power using renewable energy; at least one PCS which conditions supplied power to output the conditioned power to a power system; and a first switch which connects any one of the PV panels and the PCS, wherein the line switching system includes a display device which displays an image corresponding to the power supply system and receives an operation on the image from the user, and a control unit which is configured to switch between conduction and non-conduction between a plurality of PV panels and the PCS by controlling the first switch according to the operation received by the display device.

Abstract: A method is provided that includes: receiving identification information of a power storage device that is connected to a charging device, and a value indicating the state of a storage battery included in the power storage device. The method also includes associating to each other and storing the identification information of the power storage device and the value indicating the state of the storage battery. Additionally, the method includes determining the possibility of charging the power storage device by comparing the received value indicating the state of the storage battery with a value indicating a past state of the storage battery that is stored and corresponds to the received identification information of the power storage device. The method further includes transmitting information indicating the determined possibility of charging the power storage device to at least one of the charging device and the power storage device.

Abstract: An information displaying method is provided. A monitor of a display device is caused to display, for each of a plurality of devices, first information and second information. The first information indicates a device of the plurality of devices. The second information indicates a state of charge of a battery pack in the device. The first information and the second information are displayed in association with each other.

Abstract: A method performed by an information terminal is provided. Profile information of an electrical device connected to a storage battery pack is received from the storage battery pack. The profile information includes device identification information of the electrical device and an item of state information indicating a state of the electrical device. A value of the item of state information of the electrical device is received from the storage battery pack. When a first instruction that causes the item of state information and the value of the item of state information to be displayed is received, a first display screen is displayed on the display of the information terminal. The first display screen depicts the item of state information and the value of the item of state information by using the received profile information and the received value of the item of state information.

Abstract: A battery pack includes a secondary battery, a connector that can be detachably connected to multiple different types of devices, control circuitry that controls power supply from the secondary battery and charge of the secondary battery, a detector that outputs the detected state of the secondary battery as secondary battery information, a first memory that stores the secondary battery information, a second memory that stores a recommendation table in which each of multiple conditions predetermined for the state of the secondary battery and a recommended device are associated with each other, a determiner that determines a recommended device from among the devices using the secondary battery information and recommendation table, and an informer that reports information indicating the recommended device determined by the determiner to the user.

Abstract: An electricity storage system is connected to a power conditioner (PCS) connected to a system power supply and includes: a main body which includes a first storage battery module that stores power supplied from the PCS, a casing that encloses the first storage battery module, and a first terminal unit that is used to supply the power; and a portable unit which is attachable to and detachable from the first terminal unit and includes a second terminal unit that is electrically connectable to the first terminal unit and receives the power supplied from the main body, and a second storage battery module that has a storage capacity less than the first storage battery module and is charged with the power supplied from the main body via the second terminal unit, and the first terminal unit is located on the side of a side surface of the casing.

Abstract: An information displaying method includes acquiring a battery identifier to identify a battery pack associated with a display device and a device identifier to identify a device to which the battery pack has been mounted, and causing a monitor of the display device to display information indicating that the battery pack corresponding to the acquired battery identifier has been mounted to the device corresponding to the acquired device identifier.

Abstract: A storage battery pack includes: a secondary battery; a connector that is detachably connected to electrical devices that operate with power of the secondary battery; a storage that stores different profile information for each of the electrical devices, the profile information including device identification information identifying the electrical devices and item of state information indicating state of the electrical device; a first communicator that receives, from an electrical device connected to the connector, the device identification information and value of the item of state information of the electrical device; a specifier that specifies the profile information corresponding to the electrical device connected to the connection device by using the device identification information of the electrical device connected to the connector; and a second communicator that transmits, to an external information device, the profile information specified by the specifying device and the value of the item of state

Abstract: A system includes: connectors electrically connected to storage battery packs respectively; at least one of a discharger that discharges electric power of the storage battery packs through the connectors and a charger that charges the storage battery packs through the connectors; an information holder that holds identification information of the connectors; a receiver that receives information of the storage battery packs and the identification information of the connectors connected to the storage battery packs, which the storage battery packs receive from the information holder, respectively from the storage battery packs through wireless communication; and a storage that stores the received information of the storage battery packs and the received identification information of the connectors connected to the storage battery packs.

Abstract: A storage battery housing device is provided that comprises a casing that includes a shelf on which a storage battery pack is placed, and a connector that is provided at the rear of the shelf and has the storage battery pack detachably and electrically connected thereto. The storage battery housing device also includes a power reception plug that is connected to an external power source and receives power from the external power source. The storage housing device further includes a charging control circuit that uses the power received by the power reception plug to charge, via the connector, the storage battery pack connected to the connector.