Maintenance device for used battery unit and storage system for used battery unit

摘要

Problem to be solved: to provide a maintenance device for a used battery unit and a storage battery storage system capable of storing and carrying a used battery unit conveniently while suppressing deterioration in storage of a used battery unit of various manufacturers.A storage device for a pre installed battery unit which can be removably mounted on a storage device for storing a plurality of used battery units.A connection unit for charging / discharging the used battery unit held in a holding device through a circuit provided with a storage deviceBattery state recognition unit to recognize battery state of used battery unitCharge / discharge instruction acquisition section for acquiring charge / discharge instruction information andIn order to be within a predetermined SOC according to charge / discharge instruction informationDischarge from battery unit to discharge.The charging and discharging management unit for charging the battery unit to be charged is provided.Diagram