Electric power detection device for battery management system

The utility model discloses an electric power detection device for a battery management system, which relates to the field of battery accessories and comprises a BMS battery housekeeper main body, a socket is arranged on the BMS battery housekeeper main body, a plug is movably mounted in the socket, fixed mounting blocks are fixedly mounted on two sides of the BMS battery housekeeper main body, rotating shafts are rotatably mounted on the two fixed mounting blocks, and the rotating shafts are movably mounted on the two sides of the BMS battery housekeeper main body. The two ends of the two rotating shafts are fixedly provided with transmission rods, the two transmission rods located on the same side are rotationally provided with the same rotary fixing block, and the two rotary fixing blocks make contact with the plug. According to the utility model, through the arrangement of the transmission rod and the rotary fixing block, after the plug is installed in the socket, the transmission rod and the rotary fixin