Theo&Cleo Black Car Power Supply 12v Charger Adapter For Nintendo 2DS Charge your Nintendo DSi when you're on the road. Why not use the time you spend in your car to make sure that your DSi is ready to go? This car charger plugs into your car's cigarette lighter and charges your NDSi while you're driving. Intelligent IC chip inside recognizes a fully charged battery and automatically switches to a saver mode to prevent overcharging and short circuit.