Battery Pack Having Structure for Preventing Loosening of Handle

Disclosed is a battery pack, which includes a case configured to accommodate battery cells; and a handle attached to an outer side of the case, wherein the handle includes a handle bottom cover fixedly coupled to the case by a screw member; a handle plate disposed on the handle bottom cover and having a hole through which the screw member passes; and a handle top cover configured to cover the handle plate and coupled to the handle bottom cover, wherein the handle plate has a thread formed in the hole, and wherein the handle top cover includes a screw loosening prevention member protruding from an inner surface thereof and configured to press a top end of the screw member at an upper surface of the handle plate.