Voltage measuring device for energy storage battery

The invention relates to the technical field of electrical measurement, in particular to a voltage measuring device for an energy storage battery. The device comprises a device body which is provided with a processing unit, a detection unit and a display unit. The detection unit and the display unit respectively perform data interaction with the processing unit; the detection unit is used for detecting the voltage of a detected object and sending a collected voltage signal to the processing unit, and the processing unit is used for receiving the voltage signal and outputting a voltage value to the display unit; the processing unit comprises an error analysis unit and a setting unit, the setting unit is used for setting internal data of the processing unit, and the error analysis unit is used for analyzing the voltage signal collected by the detection unit, comparing the voltage signal with a set voltage value and generating an error analysis report. According to the invention, an operator can conveniently obt