BATTERY HIGH-VOLTAGE BOX, BATTERY PACK, AND VEHICLE

A battery high-voltage box, a battery pack, and a vehicle. The battery high-voltage box includes a battery positive interface, a battery negative interface, a power transmission main circuit, a controlled switch module, and a precharge circuit. The power transmission main circuit is connected to the battery positive interface and the battery negative interface respectively, the controlled switch module is disposed on the power transmission main circuit, and the precharge circuit is connected in parallel with the controlled switch module; the precharge circuit, when in a conductive state, is configured to precharge an external load, such that the external load can be precharged through the precharge circuit in the battery high-voltage box.