Voltage calibration method, system, equipment and medium

The invention provides a voltage calibration method, system and device and a medium, the method is applied to the voltage calibration system, and the voltage calibration system comprises a sampling calibration device and a charging and discharging test device connected with a tested sample through a measuring wire; the method comprises the following steps: the charge-discharge test equipment measures the voltage of a tested sample; the sampling calibration device collects the temperatures of a plurality of position points on the measuring wire, and calculates the total partial pressure of the measuring wire based on the temperatures of the plurality of position points on the measuring wire; and the sampling calibration device calibrates the voltage of the measured sample based on the total partial voltage of the measurement wire to obtain a voltage calibration result of the measured sample. Based on the method provided by the invention, the accuracy of data calibration can be improved. 本申请提供一种电压校准方法、系统、设备及介质，