To make it possible to use portable electronic/electric tools safely anytime and anywhere by installing such a power source device as can be operated outdoors or where there is no commercial power source in a carrying bag or case for portable electronic/electric tools.

A power source device 5 is installed on a carrying bag 1 for portable electronic/electric tools. The power source device 5 is the combination of solar cells 2 and a power generator 6, etc., which can be charged outdoors or where there is no commercial power source. If portable electronic/electric tools are stored in the bag, they can be safely used anytime and anywhere. Thus, mobility and resources/energy saving ability can be improved by using such a device.