Honda Motor Co., Ltd.
Electric power management device

Abstract:

An electric power management device that manages electric power in a building configured to be electrically connectable to a vehicle including a battery, the device comprising a command issuing unit configured to issue a command to perform charging and discharging of the battery, a specifying unit configured to specify a target range for a charging rate of the battery in performing charging and discharging, and a storage unit configured to store the charging rate in performing charging and discharging, wherein the command issuing unit restrains an issuance of a command to start discharging when the stored charging rate is not more than a lower-limit value of the target range, and restrains an issuance of a command to start charging when the stored charging rate is not less than an upper-limit value of the target range.