Portable external battery charger 7,800 mAh for tablets and smartphones

7.800 mAh is the capacity of this power bank. With such energy amount you can charge tablet and smartphone simultaneously. And rely on 30 hours of extra-stamina. With a double USB port you have convenience at its best and the chance to charge two devices at the same time. Features: 7.800 mAh capacity Battery-status LED indicator 2 USB ports, 1 Micro USB port (for charging) Input: 1 A - Output: USB1 1 A, USB2  2.1 A Charging times are approximate and depend on the battery capacity of the device recharged.