Etekcity Combo of 15W 3.1A High-Output Portable Wall Charger and Car Vehicle Charger Dual USB Ports, Black Includes TWO Dual USB chargers for charging your electronic devices  one for your vehicles cigarette/12V power outlet and one for a wall outlet Car Charger MK347 & Wall Charger MK155: Up to 3.1A 15.5W output total each for high-performance charging Compact design with sleek, attractive appearance Intelligent IC chip with over-heated, over-current, over-charging and short- circuit protection Charging will be automatically stop when battery is full