COVER PLATE ASSEMBLY AND BATTERY

The present disclosure provides a cover plate assembly and a battery. The cover plate assembly is mounted on a shell with an accommodation cavity, and includes: a cover plate, provided with a first mounting hole in communication with the accommodation cavity; a collection component, located in the accommodation cavity and configured to acquire parameter information inside the shell; a lower connection part, of which a first end is located in the first mounting hole and a second end is communicatively connected with the collection component; and, an upper connection part, of which a first end is detachably communicatively connected with the first end of the lower connection part and a second end passes through the first mounting hole.