| abstract |
Disclosed is a battery pack that can: improve assembly efficiency and process efficiency; improve durability; and stably maintain the stack configuration of a cartridge. A battery pack, according to an aspect of the present invention, comprises: a plurality of secondary batteries arranged in an up and down direction, each of which includes an electrode assembly, an electrolyte, and a pouch exterior material; a plurality of cartridges vertically stacked on each other, wherein the cartridges receive the secondary batteries in the internal spaces thereof and have fastening holes formed therein; a lower end plate formed of a plate-shaped metal material and located below the stack of the secondary batteries and the cartridges; a first fastening member secured to the lower end plate; and a second fastening member that is elongated to stand up perpendicular to the lower end plate and coupled to the first fastening member at the lower end thereof, and passes through the fastening holes of the cartridges. |