butane cigarette lighter refills.
mounting kit supplied, with power taken from the vehicleÃ¢s cigarette lighter socket.
Also note that you can power the portable GPS with an adapter that simply plugs into your cigarette lighter.
Some battery packs also have a DC power adapter which allows the battery pack to be charged from a cigarette lighter in a car or boat.
You'll also want to invest in a battery charger that plugs into your car's cigarette lighter so you don't run out of juice along the way.