Patent ID: 6485861
Filing Date: 2002-11-26
Classification: H01M,H02J,Y02E

Abstract:
A battery pack having at least two battery cells accommodated therein which is capable of being charged by a battery charger,the battery pack comprising: a bottom region including a first electrode terminal positioned near a side face of the battery pack and a second electrode terminal positioned away from the side face of the battery pack, said first and second electrode terminals are capable of electrically contacting the battery charger during charging; a space between a center of the first electrode terminal and a center of the second electrode terminal is less than a width of one of the battery cells and wherein a communication terminal for detecting the residual charging amount of the battery pack is provided in said space; a plurality of concave engaging portions capable of engaging the battery pack with the battery charger; and wherein a channel is provided in the bottom region of the battery pack adjacent to the second electrode terminal for properly positioning the battery pack in the battery charger.