| 摘要 |
It is an object of the present invention to prevent overdischarge of the secondary battery installed inside an electronic deice and to increase waterproofing ability of the electronic device. In order to attain this object, the electronic device of the present invention comprises a secondary battery, a main circuit which is operated by receiving power supply from the secondary battery, and a switch for ON/OFF controlling power supply from the secondary battery to the main circuit. With such a configuration, the secondary battery can be installed in the electronic device in advance at the electronic device shipping stage and waterproofing ability of the components accommodating the secondary battery can be improved. Furthermore, if the switch is switched off at the electronic device shipping stage, overcharge of the secondary battery can be prevented and the electronic device can be stored for a long time with the secondary battery contained therein.
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