Poweradd 40W/8A 4-Port USB Car Charger with Smart Charge for iPhone 6s/6 Plus 5S 5C, iPad Air2/mini 3, Galaxy S6 edge S5 Note 5 4, More Smartphones and Tablets 4-in-1 USB Charger: 4 output design meets the multiple devices charging need in the car, everybody happy! Smart Charge Technology: Automactically detecting the input current of the connected devices and provide the fastest charging speed up to 2.4A per port or 8A in total. Built-in soft LED indocator help users to visualize the conection and dose not distract you while driving. Worry-free Use: Support 12/24V input voltage. Built-in safety system provides you and your device complete protection. Industry-Leading Warranty: 24 months limited product warranty and 24*7 easy-to-reach customer support.