VEHICLE POWER SYSTEM

A vehicle system for mounting in a vehicle which includes a control device. The control device includes a calculation unit calculating a stopping rate which is a percentage an automatic stop in a predetermined period, and a charge controller. The charge controller performs charging relative to an electrical storage device from a power generator when a charging rate is lower than a predetermined charging rate. The charge controller also controls the power generator such that the charging rate to the electrical storage device is increased with an automatic restart.