| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply system for a vehicle capable of effectively exerting individual characteristics concerning a lead storage battery and power storage device.SOLUTION: The power supply system for a vehicle includes: a motor generator 20; a lead storage battery 30; a nickel hydrogen battery 40; a switch 70 provided in a current path of the lead storage battery 30; and a battery ECU80. The battery ECU80 closes the switch 70 when charge and discharge requirement electric power is smaller than a first threshold, and opens the switch 70 when charge and discharge requirement electric power is larger than the first threshold. |
