Automatic grading control apparatus of power lithium battery

The invention relates to an automatic grading control apparatus of a power lithium battery. The automatic grading control apparatus comprises a battery loading unit, an automatic conveying unit, a bar code scanner, a battery OCV detection unit, a battery sorting unit, a battery storage unit and a central controller, wherein the central controller comprises a recognition module, a battery information storage module and a PLC control module, the recognition module and the battery information storage module form a signal connection, the battery information storage module and the PLC control module form a signal connection, the battery loading unit, the automatic conveying unit and the battery sorting unit are controlled by the PLC control module, and a power output terminal of the automatic conveying unit is connected with a conveying belt. The automatic grading control apparatus has the following beneficial effects that: grading is accurate, the system is stable, and human intervention is reduced; the apparatus can be used separately, and can further be integrated in a lithium battery production line; and the space is saved, on-site monitoring and data sharing can be achieved, special duty is not required, and system maintenance is convenient.