Anker Astro E1

Astro E1 5200mAh, Portable External Battery Charge your phone on the go.
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.
Huge Capacity
Charge your Apple or Android smartphone one to two times while on the move. You can even charge an iPad mini to about 80%!
Incredibly Compact
This thing is remarkably small. About the same size as a small candy bar, you simply will not find a more portable powerpack
Superior Quality
We use only premium LG battery cells, together with the most advanced materials and cutting-edge technology, to ensure complete safety.