Don't get stranded with a dead cell phone battery when you're traveling in your car! This Luxmo Micro-USB Car Charger  plugs directly into your car's auxiliary port for a quick and safe charge to always keep your battery full. Car charger has a built-in smart IC chip to recognize a fully charged battery and automatically switch to a save mode, protecting your battery from overcharging and preserving battery life. This car charger is for Nook Color e-Reader