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Smart. Sleek. Ultra-portable. The high-capacity Anker 2nd Gen Astro E4 power bank offers an easy, fast and safe way to power or juice up your mobile device - you’ll never again experience the wrath of a dead battery while you’re on the road.
Exclusive to Anker, PowerIQ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge. Just press the button to check your power level, or hold to activate the flashlight.
With a huge battery capacity of up to 13000mAh, the Anker Astro E4 provides enough power to keep you going for days. It’s able to charge an iPhone 5s almost six times, a Galaxy S5 over three times or an iPad Air once.
The Anker Astro E4 uses the premium LG battery cells, together with the most advanced materials and cutting-edge technology, to ensure complete safety.
The ultra-slim Anker Astro E4 rests nicely in your palm, and weighs under a pound. Take it with you anywhere. The simple streamline design with vibrant finish* will perfectly complement your iPhone, iPad or other portable devices. (*Available in Black, White, White/Orange, Black /Orange, Black /Blue, and Black /Red.)