YourTech Tigo Ti-602 Black 2nd Gen 6000 mAh Portable Charger Rapid Recharge (2A Output) Backup External Battery pack for iPhone 5S, 5C, 5, 4S, 4, Retina iPad, iPad Mini 2, Samsung Galaxy S4, S3, Galaxy Tab, PS Vita, Note 2 HTC One, Droid, EVO, Gopro and more Charges iPhones 4 times and large-capacity smart phones like the Galaxy S4 twice. Offers maximum 2A output to also charge your iPad (all models) and other tablets. iPad Air back to 70% High energy efficiency battery, 15% above previous generation gives you up to an extra half a charge for your smartphone. Sturdy construction and slick surface finish . Grade A Lithium Polymer cells and premium reliability. 2 Smart LED display for charge indication and aesthetics. Compatible with all almost Smart Phones and tablets requiring 2A to recharge. iPhone, Samsung Galaxy, Note 3, iPad Air, iPad Retina, Droid, HTC, Kindle Fire, Microsoft Surface and more Input: 5V / 1A; Use a 1A adapter (not included) with the included USB cable for fastest charging time. Ourput 5V / 2A