Janvvoo 6000mAh Y5 Portable Charger External Battery Power Bank with LED Display Flashlight for iPhone 6S 6S Plus Galaxy S6 Edge+ Note 3/4/5 Cellphones(Black) Extra High Powerful Capacity: 21000mAh protable charge with super high capacity enable charge iPhone 6S around 8 times, iPad Mini 4 2.6 times, Samsung Galaxy S6 almost 5.5 times. No need to worry about battery die issues when go hiking, picnic or long-time travel. Auto-IC: Except a QC 3.0 port, other two USB output ports are equipped with Auto-IC technology, which can dentify different devices to deliver the optimum, high-speed charge (up to 3.1A) to almost any device.