Active monitoring method and system for vehicle storage battery

The invention relates to an active monitoring method and system for a vehicle storage battery, and the method comprises the following steps: when a vehicle is shut down, a vehicle-mounted communication module is awakened at regular time, and the current voltage and electric quantity of the storage battery of the vehicle are collected; the vehicle-mounted communication module judges whether the acquired voltage meets the charging voltage or not; if yes, the BMS is pulled up, and the storage battery is charged; if not, according to the voltage and the electric quantity of the storage battery collected for multiple times and the consumption time of the storage battery, calculating to obtain an electric quantity consumption time table of the storage battery; pre-estimating the time when the storage battery needs to be charged according to the electric quantity consumption time table; and when the preset time is reached, charging the storage battery by pulling up the BMS. By collecting the voltage and the electric