| 摘要 |
In order to reduce the charging time required for charging, there is provided a battery pack having a battery cell that supplies current to an electronic apparatus which is connected thereto or is charged by the supply of current from another power source, and a charge/discharge control section that controls the charging operation of the battery cell. The charge/discharge control section further includes a voltage sensing circuit that monitors the output voltage of an AC adapter, a protection circuit that senses the voltage between terminals of the battery cell and a control circuit that controls the charging operation. The battery pack is charged by using a charging apparatus having a charging adapter that has insertion slots for incorporating the battery pack and the AC adapter that generates the charge current.
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