Kans 20000mAh Power Bank with 2 USB Ports 2.1A Output for Smartphones and Tablets - Black Allowed On the PlaneThe 20000mAh Portable Battery is allowed on the plane by the Federal Aviation Administration (FAA). A Great Companion of the Flyer Business /Traveler Frequent road warrior traveler. Giant Capacity with Grade A CellsCharges the iPhone 6 around 7.5 times, the iPhone 6 Plus or Galaxy S6 around 5 times or the iPad Air about twice. Safely Fast Recharge With 2A inputRecharges itself around 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours.Built-in microchips to ensure safety use and long lifespan. 500+ recharge cycles over the life of the battery Dual Smart Output PortsAuto detects and changes its charging speed unique to your device for fastest charging speed up to 2.1A. Charging 2 devices simultaneously. Innovative Power Level indicatorThe Led indicator will light up in different color when the power level change.Red(0-25%);White(26-50%);Green(51-75%);Blue(76-100%)