U-shaped shell of power supply

The utility model discloses a power supply U-shaped shell, which comprises a U-shaped bottom shell and a battery shell, an opening of the battery shell faces the inner bottom of the U-shaped bottom shell, four paths of power supply modules are arranged in the battery shell, sliding connecting pieces used for enabling the battery shell to move along the length direction of the sliding connecting pieces are arranged on the inner walls of the two sides of the U-shaped bottom shell, and the sliding connecting pieces are arranged on the inner walls of the two sides of the U-shaped bottom shell. The middle part of the upper end of the side wall of the U-shaped bottom shell is provided with a plug-in assembly for fixing the position of the battery shell, and the inner bottom of the U-shaped bottom shell is provided with an annular sealing structure. The battery shell is inserted into the U-shaped bottom shell through the sliding connecting piece, at the moment, the opening of the battery shell makes contact with the