| 摘要 |
PROBLEM TO BE SOLVED: To provide a charging method and a charging controller for a battery pack capable of correcting variation in charge capacity among single batteries upon finishing discharge, and supplying power stably.SOLUTION: A charge controller 1 for a battery pack includes a battery pack 10 of a plurality of single batteries, a charging circuit 11 connected with the battery pack 10, a voltage value measurement circuit 12 for measuring the voltage values of the plurality of single batteries 10a, 10b, respectively, a voltage difference storage circuit 13 for storing the voltage difference between a highest voltage value and a lower voltage value, out of the voltage values of single batteries 10a, 10b at discharge termination obtained by the voltage value measurement circuit 12, and a virtual voltage value setting circuit 14 for setting the voltage value of a single battery having a low voltage value to a virtual voltage value lower than an actual voltage value, depending on the voltage difference stored in the voltage difference storage circuit 13. |
