USAMS Compact High Output Dual USB Car Charger - 3.1A Output Ideal for Charging iPad, iPad 2, Galaxy, iPhone, HTC, Droid, GPS, and Other Tablets, Smart Phones and USB Powered Devices (Data cable included) Dual USB port high output auto charger 3.1A total output: Charge 1 iPad or 2 phones or lower output devices Input: 12-24V DC, Output: 5V DC 3.1A Small Light weight design