ON-VEHICLE BACK-UP CONTROL DEVICE

An on-vehicle backup control device includes a plurality of chargers each of which supplies a charging current based on power supplied from a first power source unit, and an adjustment unit that controls the plurality of chargers. Each of the chargers performs an operation for supplying a charging current to a corresponding power storage. The adjustment unit adjusts the charging operations of the plurality of chargers so as to keep a sum of charging currents to the plurality of power storages within an acceptable range.