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Anker Astro 3E 10000mAh Portable Charger Dual USB External Battery Power Pack for most Smartphones, Tablets and other USB-charged devices (Apple adapters - 30 pin and lightning, not included)

  • iPhone 5 4S, Samsung Galaxy S3, Android Smartphones
  • Lithium Polymer
  • 5 Volt
  • 3A
  • Input: 5V / 1.5A (max); Output: 2x USB 5V / 3A (@3A total max); Input charging time: 8-10h via standard USB or AC

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Anker Astro 3E 10,000mAh External Battery

Capacity, charge speed, or portability? With the Anker® Astro 3E, you get all three. Who would've thought that 10,000mAh could be so compatible, light, and sleek?


Anker Battery

Four Times the Juice

With 10,000mAh of capacity, charge your iPhone 5 / 4 / 3GS / 3 four to five times (40 hours of talk time), your Galaxy S3 three times, or your iPad / iPad 2 once. That's more than 400% the capacity of most smart phones.

Anker Battery

Get Powered Up - Fast

Plug in one device for 3A of output or two for 3A total. Special circuits built for Apple and Android let you charge your phones simultaneously at full speed. What's more, four handy adapters allow you to mix and match your gadgets, so all you'll need is your Astro 3E when you're running across town.

Anker Battery

Simple, Reliable Power

Designed to be functional and efficient – nothing else. At only 0.59in. thick, the 3E comes ready to serve as an unobtrusive, lightweight solution to your daily power needs. Four small LEDs alert you as to how much capacity you've got left.

Anker Battery

For Optimal Use

For simultaneous, max-speed charging of your Astro and other devices, check out Anker's new line of 18W / 3.6A car and home adapters.

Compatible with all Apple and Android smartphones, tablets and other USB charged devices with a 5V charge input. The iPod nano and some GPS and Bluetooth devices are not supported.


Anker BatteryAnker Battery

Learn more about the Anker Anker Astro 3E

Warranty, Returns, And Additional Information

Customer Reviews of the Anker Anker Astro 3E

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  • Anonymous
  • 10/5/2014 9:51:44 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggslots of power

Pros: Bought two, one for a razr m and one for iphone 4s. Both small batteries, 2k mAh and less on apple, and should get 5-ish charges. Razr does get 5 charges from low, but not dead. Haven't been as scientific with the iphone, but since it has a smaller battery...
Great product. I knew it would be kinda bulky, but it's actually only about twice as big as an old 1500mAh backup that I used to carry. So, more than 6 times the power for twice the size is pretty good.

Cons: It takes a long time to charge, but it has to, based on it's capacity. Doesn't come with a wall charger, just usb to micro usb. Get a 2A wall charger or a hub with a good charging port and you will be fine. I already had a micro usb to old iphone adapter, but if you don't, then carry one of your extra charging cords. If you don't have at least one spare cord, you probably don't use your phone enough to need this thing.

Other Thoughts: It is a very good buy. Get it for 25-30 at the most. Since everything tech is in a constant state of flux, and actual price is always the price it was when it was first released and not a current reflection of its value, there isn't a good point of reference unless others tell you.

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  • Stephen C.
  • 8/24/2014 10:18:04 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsLots of oomph

Pros: Lots of power to charge phones, ipads and more several times. It really does have the capacity stated.

Cons: Takes forever to charge. Without the right amperage going in... takes 12 hours or more. With the right amperage... takes at least 6 hours. Lights stay on whilst charging is activated... and they are super bright... so you have shove it in a drawer if you don't want it to keep you awake. the case is white... so light bleeds out everywhere.

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  • Richard B.
  • 8/4/2014 7:12:10 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

3 out of 5 eggsNecessary for Heavy Cell Phone use

Pros: Not to large in size fits in a mans pocket but not comfortably, dual port charger for apple or android.

Cons: Must turn off phone to get a faster recharge, Only charges my cell phone with 3000 mAh battery twice plus 33% on third. Its slow to take a full charge, maybe I need an Anker charger for this power bank. I think the out put is only 1.5 amps or less.

Other Thoughts: The unit charges a bit slow, I wish I had gotten a larger reserve battery. I use my phone so much, it takes a full charge in the AM and at around 2 I need to connect this unit. Then the unit is connected the rest of the day unless I turn off my phone.

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