A battery module, characterized in that the battery module comprises: a first end plate, a plurality of batteries and a second end plate successively arranged in an arrangement direction, wherein each of the plurality of batteries comprises a top cover; a connecting component, wherein the first end plate is fixedly connected to the second end plate through the connecting component; and a pulling component comprising a first connecting segment, an intermediate segment and a second connecting segment successively arranged, wherein the first connecting segment is fixedly connected to the first end plate, the intermediate segment is disposed facing the top covers of the batteries, and the second connecting segment is fixedly connected to the second end plate, and wherein the pulling component tightens the first end plate and the second end plate in the arrangement direction of the batteries to compress the batteries along with the first end plate and the second end plate, the first connecting segment and the second connecting segment are disposed at a same side of the intermediate segment, wherein a surface of the first connecting segment away from the first end plate is flush with a surface of the first end plate away from the batteries, and a surface of the second connecting segment away from the second end plate is flush with a surface of the second end plate away from the batteries, wherein the first end plate comprises a first bottom end close to a bottom portion of the batteries, and the first connecting segment extends from the intermediate segment toward the first bottom end and is fixedly connected to the first bottom end, and wherein the second end plate comprises a second bottom end close to a bottom portion of the batteries, and the second connecting segment extends from the intermediate segment toward the second bottom end and is fixedly connected to the second bottom end. a first end plate, a plurality of batteries and a second end plate successively arranged in an arrangement direction, wherein each of the plurality of batteries comprises a top cover; a connecting component, wherein the first end plate is fixedly connected to the second end plate through the connecting component; and a pulling component comprising a first connecting segment, an intermediate segment and a second connecting segment successively arranged, wherein the first connecting segment is fixedly connected to the first end plate, the intermediate segment is disposed facing the top covers of the batteries, and the second connecting segment is fixedly connected to the second end plate, and wherein the pulling component tightens the first end plate and the second end plate in the arrangement direction of the batteries to compress the batteries along with the first end plate and the second end plate, the first connecting segment and the second connecting segment are disposed at a same side of the intermediate segment, wherein a surface of the first connecting segment away from the first end plate is flush with a surface of the first end plate away from the batteries, and a surface of the second connecting segment away from the second end plate is flush with a surface of the second end plate away from the batteries, wherein the first end plate comprises a first bottom end close to a bottom portion of the batteries, and the first connecting segment extends from the intermediate segment toward the first bottom end and is fixedly connected to the first bottom end, and wherein the second end plate comprises a second bottom end close to a bottom portion of the batteries, and the second connecting segment extends from the intermediate segment toward the second bottom end and is fixedly connected to the second bottom end.