Abstract: A charge control device can include a plurality of control units that are mutually connected by a communication line and control charging of different batteries. The control units can each include a communication state acquisition unit that acquires a communication state of another control unit of the control units through the communication line. The control units can each include a detection unit that detects an abnormality of the other control unit based on the communication state of the other control unit acquired by the communication state acquisition unit. The control units can each include a suppression unit that suppresses an operation of the other control unit for which an abnormality is detected by the detection unit.

Abstract: A management device is a management device that manages replacement of batteries. The management device includes an obtaining portion that obtains, from a first battery, specific information that specifies identification information of a vehicle to which the first battery has been attached, and identification information of the first battery. The management device includes an authenticating portion that authenticates a user of the vehicle by using the specific information and the identification information of the first battery that have been obtained by the obtaining portion. The management device includes a replacement receiving portion that receives replacement of the first battery if the authenticating portion authenticates the user.

Abstract: The invention includes a memory unit that stores electrical characteristics of a power receiving coil of an electric lawnmower and a power transfer coil of an external charger, wherein a battery side control circuit performs a test power transfer from a power transferring/receiving coil to the power receiving coil or the power transfer coil to obtain electrical characteristics of a power receiving side, compares the electrical characteristics to the electrical characteristics stored in the memory unit to determine whether the electrical characteristics are of a power transfer to the power receiving coil or of a power transfer to the power transfer coil, and performs control to switch to a power transfer mode with respect to the power receiving coil or to a power receiving mode with respect to the power transfer coil.

Abstract: A wireless power supply system includes a mower that executes a mowing work while traveling autonomously, and a charging station that supplies power to the mower. The charging station includes a power supply coil, and the mower includes a power reception coil, a first detector that detects a magnetic field generated by the power supply coil, and a first traveling controller that causes the mower to travel toward the charging station, based on a detection result of the first detector.

Abstract: Provided is a switching power supply device capable of easily realizing multi-phase operation and current balancing with the number of operation phases depending on the amount of load.

Abstract: A housing device includes a first housing part and a second housing part arranged at different heights, each housing part to house a storage battery, and a first guide and a second guide to assist insertion of the storage battery into a respective one of the first housing part and the second housing part. The first guide and the second guide assist the insertion of the storage batteries in different respective manners.

Abstract: The system is a system for a battery exchanger that accepts a used first battery and provides a charged second battery. The above system includes a support target information receiving unit that receives, from a supporter that supports operation of a battery exchanger, an instruction for selecting the battery exchanger for which the supporter supports operation from among multiple battery exchangers. The above system includes a user information providing unit that provides the supporter with information on the user of the battery exchanger selected by the supporter, according to support value information indicating the value of the support for the operation of the battery exchanger by the supporter.

Abstract: An autonomous running working machine that receives power wirelessly fed from a station includes a power reception coil that is provided in the station and is magnetically coupled to a power transmission coil, in which a core of a magnetic substance is inserted, and the power reception coil includes an open portion through which the core passes when the autonomous running working machine enters the station.

Abstract: A management device manages batteries. The management device includes an obtaining portion that obtains, from batteries, specific information that specifies identification information of a vehicle that has used the batteries. The management device includes an authenticating portion that authenticates a user by using the specific information obtained from the batteries. The management device includes a replacement receiving portion that receives replacement of the batteries if the authenticating portion authenticates the user.

Abstract: A charging control system includes a lawn mower that has a battery and performs a lawn mowing work while traveling autonomously, and a charging station for charging the battery. The lawn mower includes a period calculator for calculating a shutoff period of supply power supplied from the charging station, and a first communication unit. The charging station includes a second communication unit communicating with the first communication unit, an information acquisition unit for acquiring shutoff period information indicating the shutoff period from the first communication unit via the second communication unit, a switch for shutting off the supply power, and a shutoff controller for controlling the operation of the switch. The shutoff controller releases the shutoff of the power supply to the lawn mower based on the shutoff period information.

Abstract: A management device is a management device that: manages batteries; receives a first battery; and supplies a second battery. The management device includes an obtaining portion that obtains, from the first battery, first identification information stored in the first battery. The management device includes an authenticating portion that authenticates a user of the first battery by using the first identification information the obtaining portion has obtained. The management device includes a writing portion that, if the authenticating portion authenticates the user, writes the first identification information to the second battery that is to be supplied to the user.

Abstract: A target information acquiring unit that acquires target information indicating a target condition about a degree of wear of an expendable; a usage information acquiring unit that acquires usage information indicating a degree of usage from a start of usage of the expendable; a wear information acquiring unit that acquires wear information indicating a degree of wear of the expendable; and a deciding unit that decides (i) whether or not usage of each expendable is possible and/or (ii) a degree of priority about usage of each expendable based on (i) a target condition indicated by the target information acquired by the target information acquiring unit, (ii) a degree of usage of each expendable indicated by the usage information acquired by the usage information acquiring unit and (iii) a degree of wear of each expendable indicated by the wear information acquired by the wear information acquiring unit are included.

Abstract: Provided are an abnormality detection unit that detects abnormality or stop of at least one of a plurality of storage battery housing devices, a storage device extraction unit that extracts, when the abnormality detection unit detects the abnormality or the stop, one or more storage battery housing devices related to the storage battery housing device in which the abnormality or the stop is detected from among the plurality of storage battery housing devices, and an adjustment unit that determines adjustment of utilization rate of at least one of the one or more storage battery housing devices extracted by the storage device extraction unit.

Abstract: Provided are a deterioration information acquisition unit that acquires deterioration information indicating a deterioration state of each of a plurality of storage batteries, a temperature condition determination unit that determines a temperature condition allowable at the start of charging or during charging for each of the plurality of storage batteries in accordance with the deterioration information acquired by the deterioration information acquisition unit, a temperature information acquisition unit that acquires temperature information indicating the temperature of each of the plurality of storage batteries, and a charge target extraction unit that extracts a storage battery to be charged from the storage batteries among the plurality of storage batteries in which the temperature indicated by the temperature information acquired by the temperature information acquisition unit satisfies the temperature condition determined by the temperature condition determination unit.

Abstract: Provided are an arrangement information acquisition unit that acquires arrangement information indicating a position where a charging device for charging one or more storage batteries is arranged, a user position acquisition unit that acquires user position information indicating a position of the user, a charge state acquisition unit that acquires information indicating a charge state of at least one of the one or more storage batteries at specific time, and a state information generation unit that generates information to which (i) a charge state at the specific time and (ii) a charge state at an estimated time of arrival of the user at the charging device are associated for at least one of the one or more storage batteries, in accordance with (i) the arrangement information acquired by the arrangement information acquisition unit and (ii) the user position information acquired by the user position acquisition unit.

Abstract: A management device is a management device that manages replacement of batteries. The management device includes an obtaining portion that obtains, from a first battery, specific information that specifies identification information of a vehicle to which the first battery has been attached, and identification information of the first battery. The management device includes an authenticating portion that authenticates a user of the vehicle by using the specific information and the identification information of the first battery that have been obtained by the obtaining portion. The management device includes a replacement receiving portion that receives replacement of the first battery if the authenticating portion authenticates the user.

Abstract: A charge control device can include a plurality of control units that are mutually connected by a communication line and control charging of different batteries. The control units can each include a communication state acquisition unit that acquires a communication state of another control unit of the control units through the communication line. The control units can each include a detection unit that detects an abnormality of the other control unit based on the communication state of the other control unit acquired by the communication state acquisition unit. The control units can each include a suppression unit that suppresses an operation of the other control unit for which an abnormality is detected by the detection unit.

Abstract: A housing device includes a first housing part and a second housing part arranged at different heights, each housing part to house a storage battery, and a first guide and a second guide to assist insertion of the storage battery into a respective one of the first housing part and the second housing part. The first guide and the second guide assist the insertion of the storage batteries in different respective manners.

Abstract: A housing device is provided which houses a storage battery having a first connector. The housing device may include a storage battery holding part which holds a storage battery and a drive part which (i) moves a second connector that is to be connected to the first connector of the storage battery toward the first connector and/or (ii) moves a second connector that has been connected to the first connector of the storage battery in a direction away from the first connector.

Abstract: A management device is a management device that: manages batteries; receives a first battery; and supplies a second battery. The management device includes an obtaining portion that obtains, from the first battery, first identification information stored in the first battery. The management device includes an authenticating portion that authenticates a user of the first battery by using the first identification information the obtaining portion has obtained. The management device includes a writing portion that, if the authenticating portion authenticates the user, writes the first identification information to the second battery that is to be supplied to the user.