| 摘要 |
A portable power source system including a battery pack housing at least one secondary battery, wherein first and second internal terminals for connecting to a pair of external terminals are provided inside the battery pack, and two or more operations in different operating directions are required to connect the external terminals to the internal terminals. The battery pack includes external terminal inserting portions for inserting the external terminals, and the two or more operations include a first operation including inserting the external terminals into the external terminal inserting portions and a second operation in a direction different from that of the first operation. In a state before the first operation is performed, at least one of the internal terminals is shielded with a protective cover, and the protective cover recedes from a position for shielding the internal terminal, in conjunction with the first operation, the second operation or a combination of the first operation and the second operation, thereby enabling a connection of the external terminals to the internal terminals. |
