EC Technology 3rd Gen Deluxe 16000 mAh External Battery with 3 USB Outports (with Auto IC) Smart Auto IC Technology:Automatically detects your devices which could intelligently recognize the input current of your devices and give your devices the possible fastest charging speed up to 3.9A overall. Super high Capacity: With 16000mAh capacity, it could charge iPhone, Samsung Galaxy, iPad Air 2 and other smartphones multiple times. Three built-in modes:Except for showing power status,the four LED indicators also show 3-modes LED flashlight,including SOS mode,high light mode and average mode.Switching freely from one mode to another,suitable for different kinds of outdoor activities. 5 Security systems:Equipped with over-charged, over-discharged, over-voltage, over-current and short-circuit protection. Safety guarantee for your devices. Package Contents:1 x EC Technology 16000mAh external battery, 1 x USB cable, 1 x Instruction Manual.