mophie spacestation portable 64GB storage and external battery for Smartphones and Tablets (6,000mAh) - Black Advanced Charging - This wall charger communicates with the connected device to identify its power needs and deliver the most optimal charge possible; up to 15W with compatible smartphones, tablets, and other USB devices. International Compatibility Efficient charging packed into a compact design with interchangeable international outlet adapters that easily pack into any luggage or carry-on. 15W Fast Charging - Premium quality, mophies advanced technology and an output of up to 15W ensure that your device will receive the fastest charge possible without the risk of overheating or overcharging. Devices that Utilize 15W Fast Charge: Samsung Galaxy S6 Edge, Samsung Galaxy Note 4, HTC One M8, Motorola DROID MAXX, Samsung Galaxy S6, Samsung Galaxy Note 5, Samsung Galaxy S6 Edge Plus, Samsung Galaxy Note Edge, HTC One M9, HTC One remix, LG G4, Droid Turbo by Motorola, Nexus 6 from Google, HTC One M7, New Moto X (2nd Gen) by Motorola