Battery pack with a connector to supply power to electrical apparatus connecting terminals

摘要

The battery pack has a connector 3 attached to a case 2 housing a plurality of batteries 11 that can be charged. The connector 3 has a plurality of terminal windows 33, 33' opened in a row in a connecting plane 3X on the insertion-side of the battery pack and exposed from the case 2. A shutter mechanism 4 is provided that is opened by a shutter-opening rod 56, and the shutter mechanism 4 opens and closes one part of the plurality of terminal windows 33, 33' in the connector 3. When the battery pack is not loaded in the loading cavity 51 and the shutter-opening rod 56 is not inserted, the shutter mechanism 4 closes-off connector terminal windows 33'. When the battery pack is loaded in the loading cavity 51 and the shutter-opening rod 56 is inserted, the shutter mechanism 4 opens the connector terminal windows 33'.