What it is: The PowerCup is a 120V AC power adapter that plugs into your car's cigarette lighter socket.
Why it's awesome. If you're constantly on the road, you'll never again have to worry about your car tech companions running out of juice. Whether the juice is flowing to a laptop or to an Xbox, the PowerCup lets you power just about any AC appliance in your car or RV. It's conveniently designed to fit into your car's cup holder, too.
Where to buy: Amazon