| 摘要 |
PURPOSE: A battery pack is provided to block a leakage current and to reduce an unnecessary capacity reduction through the leakage current blocking. CONSTITUTION: A battery pack (10) comprises two or more battery cells; a pack case (100) mounted in the battery cells; a protection circuit member that is electrically connected to the battery cells, includes a circuit controlling operation of the battery pack, and is mounted inside the pack case; a variable connector (300) that is electrically connected to the protection circuit member and is mounted in the pack case while one end portion is exposed outside, and that the exposed end portion moves forwared to protrude from the pack case when contacting an external device, and the exposed end portion moves backward when not contacting the external device; and an operating switch (200) that controls moving forward and backward of the variable connector.
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