BATTERY DEVICE

摘要

Disclosed is a battery device according to the present invention. The disclosed battery device comprises: a battery cell member having a plurality of battery cell units; a first electrode tab member electrically connected to one of the battery cell units and coupled with a bus bar; and a second electrode tab member electrically connected to a battery cell unit to which the first electrode tab member is not connected among the battery cell units and coupled with the first electrode tab member.