20000mAh Long Lasting Power: Airplane-friendly high capacity power bank provides 6.1 charges for the iPhone 7, 4 charges for the Samsung Galaxy S8, and 1.6 charges for the iPad Air 2Dual Output Meets All Charging Needs: Includes dual iSmart ports for optimized charging with up to 5V/2.4A output per port (Total 5V/3.4A)2X Faster Recharge Speed: Save 50% on your recharge time with a full battery in just 9 to 10 hoursThoughtful and Detailed Design: Curved edges offer a better feel and a stylish look; all three ports are located together for convenience and to minimize wire tanglingTrusted Safety and Protection: Keeps your device safe with voltage surge, over charge/discharge, and high temperature protections