

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.
With a huge battery capacity of up to 13000mAh, the Anker Astro E4 multiplies your battery life to keep you powering on for days. When it’s fully charged, it’s able to feed your smartphone 3-6 times (depending on its battery size). Just put this power pack in your pocket, and leave your charging troubles behind.
The revamped, compact Anker Astro E4 comes in a compact size of 5.90" × 2.50" × 0.90", and weighs under a pound - only 10.40 oz.. Effortlessly 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.)
The compact Anker Astro E4 rests nicely in your palm, and sports a single button perfectly positioned for your thumb. Check the power level with one simple press or turn on the flashlight by pressing for 3 seconds.
For optimal use, please note the followings:
1. Use the included cable, your original cable or a third-party certified one (such as MFi).
2. The Anker Astro E4 is compatible with Apple and Android smartphones, tablets (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.
3. Remove film before use.
4. To give your Astro E4 the fastest, safest recharge, use an Anker USB charger. Using an ordinary phone charger may cause overheating.