An object of the present invention is to secure a space in a battery case to house battery cells or minimum gaps to allow swelling of battery cells, so that the battery cells can be held in the battery case without play. [0002] A battery pack 1 connects in...

In case a similar component-to-be-loaded is erroneously loaded on a main body side apparatus, contact of terminals are avoided. To this end, a video camera (main body side apparatus) 1 has a main body side terminal 30, and a battery pack (component-to-be-l...

Cooling air intake port (52), cooling air exhaust port (55), and securing walls (86, 87), which contact and secure the side surfaces of one or more battery cells (72), may be defined within two battery pack housing halves (50, 80). When battery pack (99) i...