| 摘要 |
Provided is a vehicular power supply device that enables a user to easily recognize how much more amount of electric power can be used for an electric device, preventing inadvertent consumption of an amount of electric power to be secured. A vehicular power supply device provided with a battery and mounted in a vehicle capable of travelling using a motor as a drive source is provided with: an external output terminal for discharging from the battery to an electric device; a charge state detection means that detects a battery charge state; and an electric power amount display means that, based on the charge state detected by the charge state detection means, displays a remaining amount (P0) of the battery in terms of an electric power amount (P1) that can be used by the electric device and an electric power amount (P2) the use of which by the electric device is prohibited. |
