One with 1A Lightning port and other with fast charging 2A usb port. This gives you freedom to carry only one cable to charge your phone or the power bank itself. Now No need to carry two cables on your trip or everyday even if you use iPhone. Built using the thinner and lighter Li-Polymer battery that have higher life span too, Power Slice 7 delivers 7000mAh to charge multiple devices or a device multiple times. With 2 USB ports, 5V/1.0A and 5V/2.1A, user can charge two devices simultaneously with ease. Power Slice 7 gives you the complete freedom to be truly mobile with the chargeable gadgets. One can re-charge all mobile phones like iPhones, Samsung Galaxy series phones, Galaxy Note, Tabs, HTC phones as well as MP3 Players, Digital Cameras etc. with Power Slice 7 Multilevel protection including short circuit, current and voltage overload, over heating and protection against wrong insertion. The Power Bank is controlled with a single on/off button. Blue LED lets you know the device is powered on and flashes when a phone is being charged.