Pictures

Anker 2nd Generation Astro External Battery Powering over two million people to date.

Where to buy

Seller Price Seller Rating
Show more
Pros

Charges fast

1 agrees

Lightweight

1 agrees

Compact

1 agrees
  • Only 3 words are allowed.
Cons

Does not last

1 agrees
  • Only 3 words are allowed.
Edit

 

Anker 2nd Generation Astro External Battery Powering over two million people to date. 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, charge an iPhone 5s three times, a large capacity phone like the Galaxy S5 over one and a half times or an iPad mini once. Superior Quality We use only the finest quality LG cells, together with the most advanced materials and cutting-edge technology, to ensure complete safety. Ultra Compact As small as a candy bar.

Now upgraded with higher density cells and efficiency 10% above most other brands to give you 6% more power. 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 the included cable, your original cable or a third-party certified one (such as MFi). 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, LG G2, Asus and some GPS and Bluetooth devices.

Edit Delete

Features

  • Exclusive PowerIQ Technology: Detects your device to deliver its fastest possible charge speed up to 2 amps.
  • Uber-High Capacity: Charges the iPad mini once, the Galaxy S5 over one and a half times, the iPhone 5s almost three times and other smartphones multiple times.
  • Superior Quality: Premium LG cells, cutting-edge circuitry and a sturdy drop-tested exterior ensure durability and safety. Recharges in 6 hours with a 1.2 amp adapter (not included) and the included Micro USB cable.
  • What You Get: Anker 2nd Generation Astro External Battery, Micro USB cable, travel pouch, welcome guide, our fan-favorite 18-month warranty and friendly customer service.
Edit Delete

Color Options

  • Blue
  • Green
  • Black
  • White
Add New

Frequently Asked Questions

  • Can you charge the battery and a phone simultaneously by connecting them in series?

    No. The Astro 2nd Gen batteries cannot be charged and discharged at the same time for protection of the battery.

  • I would need to be able to charge the device in a wall outlet when I travel - how would I do this?

    Not unless you purchase an adapter that will allow you to plug a standard charger into the wall outlet in the country of your choice.

  • Can i charge Iphone 4?

    Yes. you can. When fully charged, the unit will fully charge the iPhone 2.5 to 3 times.

  • Add New FAQ

About Us