This Anker power bank features the Qualcomm's advanced Quick Charge 3.0 technology, PowerCore+. This portable power bank ensures a speedy charge to your smartphone.Never let your smartphone run out of battery with the Anker 13400mAh PowerCore+ with Quick Charge 3.0 Power Bank. This power bank features a super-high capacity, allowing you to charge the Apple iPhone 7 4.5 times or the Samsung Galaxy S6 more than 3 times. This portable charger is also suitable for charging the Apple iPad Air 2. Featuring Qualcomm's advanced Quick Charge 3.0 technology known as PowerCore+, this power bank ensures all the compatible devices charge 85% faster. To allow fast charging of devices that are not compatible with the Quick Charge technology, this power bank features VoltageBoost and PowerIQ. This power bank is built with high-quality components and has an aluminum-alloy chassis for durability. Key Features 13400mAh PowerCore+ with Quick Charge 3.0 Power Bank MultiProtect Safety System Powerful Performance This Anker power bank is designed to deliver a safe and high-speed charge to your smartphones and tablets. It features the PowerCore+ technology that ensures all compatible devices charge up to 85% faster. For devices that are not compatible with this Quick Charge technology, the device has technologies like the VoltageBoost and PowerIQ. The VoltageBoost charging technology adjusts the current as per the cable’s resistance to provide a steady, whereas the PowerIQ technology identifies the device and accordingly offers a high-speed charge. Both these technologies combine to provide charge up to 4.8A through both the ports. Durable Design This portable power bank features high-quality components that make it sturdy and ensure it serves you for a long time. It has a sleek aluminum shell that provides maximum protection."