Power battery energy consistency risk assessment method and system

The invention relates to the field of electric vehicle battery risk assessment, in particular to a power battery energy consistency risk assessment method and system, and the method comprises the steps: obtaining operation historical data, carrying out the initialization processing, obtaining standardized data, extracting an initial safety factor based on the standardized data, and calculating a safety factor; the method comprises the following steps: acquiring safety factors, quantifying the safety characteristics of the safety factors to obtain safety characteristic quantized values, summing the safety characteristic quantized values, performing risk accumulation to obtain a risk accumulation curve data pair, calculating risk accumulation characteristics based on the risk accumulation curve data pair, and performing risk early warning on a vehicle according to the risk accumulation characteristics; the system comprises a receiving module and a processing module, the receiving module receives the operation h