| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack management system which can monitor a battery capacity of each single item of battery packs. SOLUTION: A battery 100 has a memory 120 on which identification information such as a production number is written, and a remote control unit 10 reads the identification information of the installed battery 100 electrically. When the remote control unit 10 is charged by a charger 9, a charge/discharge sensor 119 of a battery connection 118 detects charging of the battery 100 and gives its information to a CPU 101. The CPU 101 updates the charge/discharge information stored in a RAM 103 for the applicable battery with the identification information and the charge/discharge information obtained. COPYRIGHT: (C)2007,JPO&INPIT
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