The Anker Advantage: Join the 55 million+ powered by our leading technology. Less time charging: patented powerful and Voltage Boost technologies charge any device at its fastest possible speed, up to 2. 4a. (Does not support Qualcomm Quick Charge). Durable design: Robust textured casing and premium internal components ensure perfect performance regardless of scrapes, bumps, or drops. Travel ready: Compact design, foldable plug and 100-240 volt input are ideal for worldwide travel. What You Get: Anker PowerPort 2 Elite, welcome guide, our worry-free 18-month warranty and friendly customer service.