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- The Anker Advantage: Join the 10 million+ powered by our leading technology.
- Exclusive PowerIQ Technology: Detects your device to deliver its fastest possible charge speed up to 2 amps (four times faster than a computer USB port). Does not support Qualcomm Quick Charge
- High Capacity: Add two charges to an 6s, almost two charges to an iPhone 7, or at least one full charge to a 7 Plus, Galaxy S7, Nexus 5 or other smartphone. Or even an 70% charge to an iPad mini 3.
- Incredibly Compact: The size of a small candy bar (9.7 x 4.3 x 2.3 cm) it fits perfectly in your pocket. Recharges in 5 hours with a 1A adapter (not included) and the included Micro USB cable.
- What You Get: Anker Astro E1 Portable Charger External Battery Power Bank, Micro USB Cable, travel pouch, welcome guide, our fan-favorite 18-month warranty and friendly customer service. Lightning cable for iPhone / iPad sold separately.
ANKER: Amazon's leading Charging Brand
The high average review rating of any charging brand.
One in three chargers sold on Amazon is from us.
Join the 10 million+ satisfied customers powered by Anker.
Astro E1 Portable Charger External Battery Power Bank
Charge your phone on the go.
PowerIQ Detects your device. Delivers faster charge.
Exclusive to Anker, PowerIQ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge.
Charge your Apple or Android smartphone one to two times while on the move. You can even charge an iPad mini to about 70%!
This thing is remarkably small. About the same size as a small candy bar, you simply will not find a more portable powerpack.
We use only premium battery cells, together with the advanced materials and cutting-edge technology, to ensure complete safety.
World Famous Warranty
At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support.
For Optimal Use:
Use your original cable or a third-party certified one (such as MFi).
It is advised not to use in confined, poorly ventilated spaces (e.g. pockets)
Charging data is calculated in screen-off (standby) mode.
Compatible with the new 12 inch MacBook, 2015 (USB-C cable needed) 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.
Package Dimensions: 4.3 x 2.0 x 2.0 inches