Anker Astro E4

13000mAh, External Battery Detects your device. Delivers the fastest charge.
Exclusive to Anker, PowerIQ™ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge.
Packed with power.
From camping trip to disaster zone and everywhere in between, the 2nd Generation Astro E4 multiplies your battery life to keep you powering on for days. With enough charge 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.
A very handy design.
Slimmer, sleeker, smarter - enjoy the world's most powerful portable battery more than ever before. The revamped 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 use your device’s original cable or a third-party certified one (such as MFi).
- Compatible with all Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices. The iPod nano, iPod Classic, HP TouchPad, LG G2, Asus tablets and some GPS and Bluetooth devices are not supported.