A charging dock is provided. The charging dock includes: a main body; a charging unit disposed with the main body; and a plurality of cover plates. The charging unit includes a plurality of battery sockets. Each cover plate corresponds to one of the plurality of battery sockets. Each cover plate is movably connected to the main body. And each cover plate is switchable between a closed configuration covering the corresponding battery socket and an open configuration exposing the corresponding battery socket. Further, a charging assembly is provided. The charging assembly includes the forgoing charging dock and a rechargeable battery configured to be mounted on one of the plurality of cover plates in the open configuration, and plugged into the corresponding battery socket.