COVER ASSEMBLY FOR BATTERY AND BATTERY

Provided are a cover assembly for a battery and a battery. The cover assembly for the battery includes an elastic cover, an insulating cover, a frame support member and a terminal column assembly. The insulation cover is embedded in one end of the elastic cover. The frame support member has a greater hardness than the elastic cover and the insulating cover. The frame support member is embedded in the other end of the elastic cover. The elastic cover has an encapsulation portion disposed on an outside, in a radical direction, of the insulating cover and the frame support member. The encapsulation portion is in a cylindrical shape and configured to abut against an inner surface of a housing of the battery. The terminal assembly includes a terminal penetrating the insulating cover and the elastic cover.