A portable electronic appliance

The subject innovation is provided with a that, in the portable electronic equipment using a battery as a power source, determine the capacity to verify the capacity of the battery from, the mounting state without removing the battery from the portable electronic switch device according to the portable electronics made to the structure. Thus, according to such configuration, it is possible to check the battery capacity by a simple operation presses the switch operation knob to the externally without having to remove the battery or operating an electronic product if you want to check the capacity of the battery in a portable electronic product that in use this convenience is significantly improved.