Ultra Slim and High Capacity: Ultra slim design with a aluminum alloy construction, It’s only 0.39 inches thick, solid and portable. But It has high capacity, 20000mAh capacity can charges the iPhone 6 8times, iPhone 7 7times, the Galaxy S8 5times or the iPad mini4 twice. Lightning and Micro USB Input: Apple Lightning Input Design, Convenient for Apple Users, The built-in Apple Lightning Connector perfect compatible with Apple product, Recharge with a Lightning Cable, Power Bank can be recharged using either Lightning cable or Micro USB cable. You can use the same cable to charge your phone or power bank. Smart Digital LED and Dual USB 2.1A Output: Smart Digital LED display ensures easy check and accurate battery capacity (90% of all other power banks never have this feature). 2 Output is all 2.1A, work for iPhone, Android smartphone etc. And 2.1A port perfect for iPad, Android tablet and other high-power devices. 2.1A Port is making it charge faster and powerful than the others. High Quality and Safe Protection: High Quality Power bank, High quality polymer battery, over 500 times life cycle. With Overheating/over current/low voltage/short circuit protection, perfectly protects your digital devices. 100% Customer service: 30 days Return and Refund policy without hassle, Get the full refund quickly or free replacement if you aren’t completely satisfied. We make the High Quality Portable Power Bank Battery Pack Charger for you.