Anker PowerCore 13000mAh charger sustains the charging rate using the VoltageBoost feature. Click here to know more about the Anker power bank.Enjoy your favorite game or movie on a long-haul flight as the Anker 13000mAh PowerCore 2-Port Ultra-portable Power Bank takes care of your phone’s battery. Available in a matte finish, this white-colored portable charger delivers up to 13000mAh of charging in one single charge. A leading USB charging device manufacturer from America, Anker has always laid focus on providing its users a comfortable and practical experience. This amazing charger can fully charge your Apple iPad Air 2 once, Samsung Galaxy S6 thrice, and Apple iPhone 6s five times. It equips two charging ports, which lets someone else charge their device at the same time. The charger features PowerIQ technology to ensure fast charging after detecting the device configuration and adjusting the required charging speed. The VoltageBoost technology sustains the charging rate irrespective of the charging cable.