US Patent 8725331 Charge-discharge management apparatus and system for vehicle

A charge-discharge management system for a vehicle running using electricity stored in a battery is disclosed. The system creates a charge-discharge schedule of the battery for a travel route of the vehicle according to the travel route of the vehicle and a condition of the vehicle or a road, so that a charge amount of the battery falls within a predetermined range in the travel route. The systems corrects the charge-discharge schedule by comparing between the charge amount actually in the battery and the charge amount in the charge-discharge schedule.