Arbalest&reg; 15W /3.1A Dual Port USB Car Charger Black for Samsung Galaxy S4 S3 S2 Galaxy Note 3 2 Tab 2 3 , Motorola G Droid Razr Maxx; HTC One X V S ; LG Optimus G2 ; iPhone 5s 5c 5 4s 4 iPad Air ipad 2 3 4 mini and More Simultaneously Charge your Tablet and Smartphone (or two Smartphones) in your car with your existing device cables 3.1A of Smart Power Output to two separate USB Ports, one for your Smartphone and one for your tablet, 10-18V DC Power Input Provides maximum charge speed to devices for uninterrupted performance of navigation and media streaming utilities Smart Charge technology prevents your device from being overcharged Perfect for people with multiple devices that are on the go