Power for Days: Enough power to spend days away from your wall charger. Charge an iPhone-7 3.5 times, a Galaxy S7 3 times or an iPad Air 2 more than once. Qualcomm Quick Charge 3.0: Using Qualcomm's advanced Quick Charge 3.0 technology, PowerCore+ charges compatible devices 85% faster. Get up to 8 hours of use from just 15 minutes of charging. Fast-Charging Technology: Anker's proprietary PowerIQ and Voltage Boost technologies combine to provide universal full-speed charging for non-Quick Charge devices. Premium Design: With its sleek aluminium shell and ergonomic curves, the PowerCore+ 13400 is the perfect partner for your iPhone or flagship Android smartphone.