2nd Generation Astro E3 Portable Charger External Battery Power Bank
Portable powerpack perfection.
Detects your device. Delivers the fastest charge.
Exclusive to Anker, PowerIQ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge.
Charge an iPhone over four times, a large capacity phone like the Galaxy S5 two and a half times or most tablets at least once.
The size and feel of a smartphone. The E3 is unobtrusive, lightweight and the most compact among batteries of this capacity.
Industry grade materials, premium circuitry and a battery 10% more efficient than the industry average ensure complete reliability.