The invention relates to a battery cell. The battery cell comprises a matrix, a positive terminal and a negative terminal. At least one terminal comprises a first section and a second section. The first section stretches out from the matrix substantially along the perpendicular direction (z) on the top surface of the matrix. The second section is arranged next to the first section, is connected tothe first section, and extends substantially along the vertical direction (x). The vertical direction is perpendicular to the perpendicular direction (z). The second section is provided with a springregion. The spring region can be elastically deformed along the vertical direction (x) and comprises a plurality of sub-regions that are connected to and bent to each other. The second section also has a connection region for connecting the terminal of a neighbored battery cell. The invention also relates to a battery module, which comprises at least two aforementioned battery cells.