Now you can carry up to 10 phone charges in your back pocket with this Astro E7 Portable Charger by Anker. It is 4X faster than other chargers by using PowerIQ amp-adjustment technology and can be considered as one of the most powerful portable chargers ever made till date. The technology easily identifies your device and delivers the fastest possible charge to it as and when required. The charger is about the length of a Galaxy Note 4 and is a compact design that will fit in your back pockets. There is also a built-in flashlight to boot. Together with the use of advanced materials and cutting-edge technology, Anker has finally come up with a design you can smartly carry on the go and never let your phone stay out of power.