New energy vehicle power battery life prediction method and system

The invention provides a new energy vehicle power battery life prediction method and system, relates to the field of vehicle power battery life prediction, and solves a technical problem of how to improve accuracy of new energy vehicle power battery life prediction. The method comprises steps of obtaining related data of power battery life prediction of a vehicle connected with a big data platform, performing screening to obtain data related to the residual charge-discharge cycle number of the power battery, and performing neural network training on the screened data to establish a vehicle power battery life prediction model. establishing a model, acquiring current power battery life prediction related data of a vehicle connected with a big data platform after the model is established, substituting the current power battery life prediction related data into the vehicle power battery life prediction model, and outputting a power battery life prediction result. The method is advantaged in that the results can b