Large-current compact cableless case

The utility model relates to the field of cases, in particular to a large-current compact cableless case, which comprises a shell, a back plate which is sequentially connected from bottom to top is arranged in the shell, and the top of the back plate is connected with a first socket; the bottom of the adapter plate is connected with a first plug matched with the first socket, and the upper part of the adapter plate is connected with a second plug; and the bottom of the IO board is connected with a second socket matched with the second plug. According to the utility model, the adapter plate is arranged between the back plate and the IO plate for carrying, the adapter plate gives consideration to the structural characteristics of the back plate and the IO plate, the adapter plate connector selects a mode of being parallel to the plates, and the adapter plate connector is shared by the point position parts of the front and back connectors on the adapter plate, that is, the same signal passes through the front an