Battery module and battery pack

The utility model discloses a battery module and a battery pack. The battery module comprises a shell, and an accommodating cavity is formed in the shell; the battery pack is integrated in the accommodating cavity and comprises a plurality of single batteries; each conducting bar is electrically connected with at least two single batteries; the top covers are in one-to-one correspondence with the conducting bars and cover the conducting bars, and the projection area of the top covers in the height direction of the single batteries is not smaller than that of the conducting bars; the top cover is in clamping connection with the conducting bar; one side of the top cover close to the collection wire harness is provided with a fixing part and is fixedly connected with the collection wire harness through the fixing part. According to the battery module disclosed by the utility model, one top cover is correspondingly arranged on each conducting bar, and the top covers are used for fixing the collection wire harness