An end plate for a housing of a battery module, comprising: a plate-shaped body portion that has a first surface and a second surface disposed opposite to each other, wherein output electrode holes are disposed on the body portion to enable output electrodes of the battery module to extend out from the output electrode holes ; and a vent hole disposed on the body portion for mounting a vent plate of the battery module; characterized by : a connecting pillar disposed on the first surface and extending in a first direction (Z), wherein the connecting pillar comprises a connecting though-hole passing through the connecting pillar along the first direction (Z); and a convex portion formed by the body portion protruding in a direction from the second surface to the first surface , wherein the output electrode holes and the vent hole are disposed on the convex portion , wherein the number of the connecting pillars is two, and further wherein one of the two pillars is distributed on a first side of the convex portion , in the second direction (Y), and the other of the two pillars is distributed on a second side of the convex portion , in the second direction, whereby the directions (Y) and (Z) are perpendicular to each other. a plate-shaped body portion that has a first surface and a second surface disposed opposite to each other, wherein output electrode holes are disposed on the body portion to enable output electrodes of the battery module to extend out from the output electrode holes ; and a vent hole disposed on the body portion for mounting a vent plate of the battery module; characterized by : a connecting pillar disposed on the first surface and extending in a first direction (Z), wherein the connecting pillar comprises a connecting though-hole passing through the connecting pillar along the first direction (Z); and a convex portion formed by the body portion protruding in a direction from the second surface to the first surface , wherein the output electrode holes and the vent hole are disposed on the convex portion , wherein the number of the connecting pillars is two, and further wherein one of the two pillars is distributed on a first side of the convex portion , in the second direction (Y), and the other of the two pillars is distributed on a second side of the convex portion , in the second direction, whereby the directions (Y) and (Z) are perpendicular to each other. a connecting pillar disposed on the first surface and extending in a first direction (Z), wherein the connecting pillar comprises a connecting though-hole passing through the connecting pillar along the first direction (Z); and a convex portion formed by the body portion protruding in a direction from the second surface to the first surface , wherein the output electrode holes and the vent hole are disposed on the convex portion , wherein the number of the connecting pillars is two, and further wherein one of the two pillars is distributed on a first side of the convex portion , in the second direction (Y), and the other of the two pillars is distributed on a second side of the convex portion , in the second direction, whereby the directions (Y) and (Z) are perpendicular to each other. <EOS>