Anker Astro E7 Ultra-High Capacity 26800mAh 3-Port 4A Compact Portable Charger Portable power pushed to the limits. From ANKER, America"s Leading USB Charging Brand • Faster and safer charging with our advanced technology • 10 million+ happy users and counting PowerIQ Detects your device. Delivers the fastest charge. Exclusive to Anker, PowerIQ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge. Giant Capacity Power to keep you going, and going...and going. Add up to ten charges to a smartphone, two charges to a tablet or multiple charges to pretty much anything else. Incredibly Compact About the length of a Galaxy Note 4, it"s possibly the most compact charger of this capacity on the market and has a built-in flashlight to boot. Superior Quality We use only premium battery cells, together advanced materials and cutting-edge technology, to ensure complete safety. World Famous Warranty At Anker, we believe in our products. That"s why we back them all with an 18-month warranty and provide friendly, easy-to-reach support. For Optimal Use: • Use the included cable, your original cable or a third-party certified one (such as MFi). • Compatible with the new 12 inch MacBook, 2015 (USB-C cable needed), Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices except for the iPod nano, iPod Classic, HP TouchPad, Dell Venue 11 Pro, Asus tablets and some GPS and Bluetooth devices.