Things You'll Need
Instructions
Connect your PlayStation One's power cable into the power cable input on the back of the console.
Plug the other end of the PlayStation One's power cable into the power cable input on a standard car power inverter.
Connect the car power inverter to the power adapter/cigarette lighter in your car.
Turn on your car. Press the "Power" button on the top of the PlayStation One to turn on the console. You now have a makeshift car adapter for your PlayStation One.