A coolant cooling type battery is provided. The coolant cooling type battery includes battery cells each having tabs to electrically connect the battery cells to each other by respective tabs. The respective tabs of the battery cells are arranged in a unidirectional alignment. Additionally, the battery includes busbars each interconnecting the tabs of adjacent battery cells of the multiple batterycells with each other to form an electrical connection between the battery cells and a coolant channel that is connected to the multiple busbars and has coolant flowing therein.