APPARATUS AND METHOD FOR ESTIMATING SOC

The present disclosure relates to a state of charge (SOC) estimating apparatus and method, and more particularly, to a SOC estimating apparatus and method for estimating an initial SOC when a starting light ignition (SLI) battery starts a vehicle. According to an aspect of the present disclosure, there is an advantage of accurately estimating the initial SOC of a vehicle-starting battery that always uses a current regardless of a driving mode or a parking mode of the vehicle.