Product Description:The AiPower Adaptive Charging Technology: Detects the input current of the connected devices to maximize both compatibility and charging speed up to 2.4 amps each port or 4.8 amps overall. (Does not support Nexus 5X and 6P or Qualcomm Quick Charge 2.0).Most Powerful: 24W / 4.8A total output with two standard USB output ports enables you to charge two tablets or phones with up to 2.4A simultaneously at their full speed.Guaranteed Safety: DC 12V / 24V supported. Sophisticated circuit design with over-heated, over-current, over-charging protection.Compact Design: The most powerful 2 Port Car Charger with the smallest size in the world (2.72*1.31*0.87in ).        Note  • Use your original cable or a third-party certified one (such as MFi). Packing List:1*USB Car Charger1*Manual