Tenergy QC2.0 10400mAh Adaptive Fast Charging Power Bank Featuring Qualcomm Quick Charge 2.0 Technology Supporting 5V 9V 12V for Samsung Galaxy S6, Edge, Sony Xperia Z3 and More Adaptive Fast Charge Power Bank with Qualcomm Quick Charge 2.0 Technology greatly reduces charging and recharging time by up to 75% for compatible devices. 10400mAh high capacity allows you to talk up to 40 straight hours, keep your tablet running all day or recharge your phone up to 5 times. Automatically detects your device to deliver fastest possible charging method between QC2.0 charging mode and regular USB charging mode. Even if you don't have QC 2.0 on your phone, it will still charge at standard charging speed! QC 2.0 Supported devices (as of Sep 2015): Droid Turbo by Motorola, Google Nexus 6, HTC One (M8), HTC One (M9), LG G4, Moto X Style, New Moto X by Motorola, Samsung Galaxy Note 4, Samsung Galaxy Note 5, Samsung Galaxy Note Edge, Samsung Galaxy S6, Samsung Galaxy S6 Edge, Sony Xperia Z3, Sony Xperia Z3+, Sony Xperia Z4, Sony Xperia Z5 CHECK PRODUCT DESCRIPTION FOR MORE (SUPPORTED DEVICES UPDATE OCCASIONALLY) Backward compatibility with all USB charging mobile devices. Non-QC2.0 devices will be safely charged at standard charging speed.