I-Choice Choicelife 16000 MAH Portable Charger External Battery Power Bank with Dual Port, Smart Output for iPhone, Samsung, iPad, Android Phones and Tablets Large capacity:16000 mAh charges an iPhone 6 almost 6 times, a galaxy S6 almost 4 times or an iPad air once Compatible with almost all devices with 5V input, including most smartphones, tablets and digital cameras with USB cable Dual USB ports 5V/2A and 5V/1A allows charging two devices simultaneously, blue LED flash light indicating capacity Safety: A+ lithium-ion battery, short-circuit and over current protection