Travel Acer iconia A1-830 Tablet Wall Charger is digitally controlled for Fast Acting Charging, Slim, and Completely Portable! (BLACK / 1 Amp) Certified full power USB 1Amp Travel Charger recharges your battery without overcharging. One end fits AC wall outlet and other end has a port for USB cable (Micro-USB cable included). Use it at home, at the office, or take it when you travel around the world with dual current. The first digital stage quickly charges 90% at a full 1A, then second stage safely goes to 100% at regulated power. Top rated circuitry prevents Over-Charging / USB to AC USA Plug / Input 100-240V, Output 5V at 1A.