<b>Astro E1 Portable Charger ​External Battery Power Bank</b><br> Charge your phone on the go.<br> <b>From ANKER, America's Leading USB Charging Brand</b><br> 50 million+ happy users and counting<br> Faster and safer charging with our advanced technology<br><br> <b>PowerIQ</b><br> Exclusive to Anker. Intelligent high-speed charging for all your devices. Does not support Qualcomm Quick Charge.<br><br> <b>High Cell Capacity</b><br> Charge your Apple or Android smartphone one to two times while on the move.<br><br> <b>Incredibly Compact </b><br> This thing is remarkably small. About the same size as a small candy bar, you simply will not find a more portable powerpack.<br><br> <b>Superior Quality</b><br> We use only premium LG battery cells, together with advanced materials and cutting-edge technology, to ensure complete safety.<br><br> <b>World Famous Warranty</b><br> 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.<br><br> <b>What's In the Box</b><br> Anker Astro E1 Portable Charger<br> Micro USB cable<br> Travel Pouch<br> Welcome Guide<br><br> <b>For Optimal Use:</b><br> Please use the original Apple charging cable (not included) to charge Apple products.<br> AC adapter not included.<br> It is advised not to use in confined, poorly ventilated spaces (e.g. pockets).<br> Charging data is calculated in screen-off (standby) mode.<br> Compatible with 12'' 2015 MacBook (USB-C cable required), iPhone XS / XS Max / XR, Android smartphones and tables (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. <br> 6700mAh is the total of the nominal rated capacity of internal battery cells.