Method, device and equipment for preventing passivation of data recorder battery and medium

The invention provides a method, device and equipment for preventing passivation of a data recorder battery and a medium, and relates to the technical field of battery passivation prevention, and the method comprises the steps: obtaining working parameters of a data recorder; when the voltage is not greater than a preset voltage threshold value, controlling the MCU to enter an anti-passivation working mode for a first duration; and when the voltage is greater than a preset voltage threshold value, controlling the MCU to enter a normal working mode. The anti-passivation working mode is a working mode in which the working frequency of the MCU is controlled to be greater than a preset frequency threshold value and the working current of the MCU is controlled to be a preset current threshold value. The normal working mode is a working mode in which the working frequency of the MCU is smaller than a preset frequency threshold value. According to the invention, battery passivation can be eliminated in different wor