Patent ID: 9634307
Date: 2017-04-25
CPC Classifications: H01M,Y02E

Claim:
1. A battery pack characterized by comprising a battery module that is made by stacking battery holding bodies on which film-covered batteries are placed with positive- and negative-electrode pull-out tabs being taken out from the same side in such a way that sides from which the positive- and negative-electrode pull-out tabs are pulled out are aligned with each other, wherein: an extension tab is connected to at least the positive- or negative-electrode pull-out tab; the extension tab connected to the positive-electrode pull-out tab extends in a direction perpendicular to a direction of the positive-electrode pull-out tab, and is pulled out from a battery holding body; the extension tab connected to the negative-electrode pull-out tab extends in a direction that is perpendicular to a direction of the negative-electrode pull-out tab and opposite to the direction of the extension tab connected to the positive-electrode pull-out tab, and is pulled out from a battery holding body; and the extension tabs are each bent along a side surface in a direction perpendicular to a battery stacking surface, and are stacked up and electrically connected.