BATTERY ASSEMBLY CHARGE CONTROL DEVICE AND METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a battery assembly charge control device and a method therefor, inhibiting the occurrence of an overvoltage at a battery unit.SOLUTION: The battery assembly charge control device for charging a battery assembly, including a plurality of battery units, includes a control unit, a charge unit, a current detection unit and a plurality of voltage detectors. The charge unit charges the battery assembly with a constant current at a first current threshold. The current detection unit detects a charge current for the battery assembly. The voltage detector detects the voltage of each battery unit. When the voltage of the battery unit reaches a voltage threshold, the charge unit charges the battery assembly with a constant voltage. When the charge current is smaller than a second current threshold, the charge unit stops charging.