Electronic cigarette car charger that you can use when you are travelling. Just connect the car charger powerline with the charger,then you can charge the battery in car.The Electronic Cigarette employs a 3.7V special lithium battery components and special charger,which cannot be replaced by other lithium battery and charger.The input supply voltage of the changer:AC100-240V,50/60 Hz,or DC 12-24V