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  • Anker® 2nd Gen Astro E3 10000mAh Dual-Port Ultra Compact External Battery Portable USB Charger Power Bank - PowerIQ™ Broad Compatibility, Fast Charging, High Capacity - For iPhone 5s 5c 5, iPad Air mini, Galaxy S5 S4, Tab 2, Note 3 2, LG G3, Nexus, HTC One M8, MOTO X, PS Vita and More (Black)
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Anker® 2nd Gen Astro E3 10000mAh Dual-Port Ultra Compact External Battery Portable USB Charger Power Bank - PowerIQ™ Broad Compatibility, Fast Charging, High Capacity - For iPhone 5s 5c 5, iPad Air mini, Galaxy S5 S4, Tab 2, Note 3 2, LG G3, Nexus, HTC One M8, MOTO X, PS Vita and More (Black)

by Anker
| 708 answered questions

Price: $79.99
Sale: $25.99 & FREE Shipping on orders over $35. Details
You Save: $54.00 (68%)
In Stock.
Black
  • PowerIQ™ technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 3 amps overall or 3 amps per port.
  • 10000 mAh of capacity charges an iPhones four+ times or large-capacity phones like the Galaxy S4 more than twice.
  • At only 0.59in thick, it's ideal for grab-n-go use. 4 LEDs display just how much juice you've got left. Reliable lithium polymer core ensures quality and supplies 500+ lifetime charge cycles.
  • Input: 5V / 2A; Use a 2A adapter (not included) for fastest charge times (6 hours).
  • Package contents: Anker® Astro E3 External Battery, Micro USB cable, travel pouch, user manual, 18-month hassle-free warranty. (Apple adapters, 30 pin and lightning, Samsung 30-pin adapter not included).

Special Offers and Product Promotions

Color: Black

Frequently Bought Together

Anker® 2nd Gen Astro E3 10000mAh Dual-Port Ultra Compact External Battery Portable USB Charger Power Bank - PowerIQ™ Broad Compatibility, Fast Charging, High Capacity - For iPhone 5s 5c 5, iPad Air mini, Galaxy S5 S4, Tab 2, Note 3 2, LG G3, Nexus, HTC One M8, MOTO X, PS Vita and More (Black) + Pwr+® 6.5 Ft Rapid 5V 2A Charger AC Adapter for Anker Astro, E3, E4, E5, Mini, Slim2, Slim3, Astro2, 2nd Generation Astro 3, SlimTalk / New Trent iTorch IMP52D, CarbonPak, Easypak, iMirror, PowerPak+ / Limeade Blast L130X L180X L50X2L L50X2M / Jackery Bar, Giant, Mini / EasyAcc / PowerGen Mobile / PowerBot External Battery Pack Portable Universal USB Power Bank Backup
Price for both: $38.89

Buy the selected items together


Technical Details

Color: Black
  • Size (LWH): 5.39 inches, 2.64 inches, 0.65 inches
  • Weight: 8.16 ounces
  • Battery Type: Lithium Polymer
  See more technical details

Product Details

Color: Black
  • Product Dimensions: 5.4 x 2.6 x 0.6 inches ; 8.2 ounces
  • Shipping Weight: 11.2 ounces (View shipping rates and policies)
  • ASIN: B009USAJCC
  • Item model number: AK-79AN7917-BA
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (3,998 customer reviews)
  • Amazon Best Sellers Rank: #17 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
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Product Description

Color: Black

The next generation Astro E3. Refined to power the mobile, connected life even better.

PowerIQ™: Compatibility maximized.
Not all charging ports are created equal. Standard ports only communicate effectively with particular devices, like Apple OR Android, often limiting their recharge rate. But with PowerIQ™ technology, each port intelligently identifies your device to speak its unique charging language. So plug in any brand or model and enjoy compatibility that doesn't limit your charging speed.

Grab-n-go ready.

With the importance of staying connected ever increasing, eliminate low-battery fear with the grab-n-go Astro E3. Power your iPhone 4+ times, a large-capacity phone like the Galaxy S4 more than twice, or a tablet once (depending on your model).

Simple, reliable power.
Designed to be functional and efficient - nothing else. At 0.59in thin, the E3 comes ready to serve as an unobtrusive, lightweight solution to your daily power needs. And, increasing the new Astro E3's recharge rate from 1.5A to 2A, we've reduced the recharge time 25% to just 6 hours (with a 2A adapter).

For optimal use.
• Compatible with all Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices. The iPod nano, Asus tablets, the LG G2 and some GPS and Bluetooth devices are not supported.
• To ensure complete safety and best performance, we strongly recommend using your device's original cable, a third-party certified cable (such as MFI) or our included cable.
• The included Micro USB cable is compatible with the Samsung Galaxy S5, Note 3 and other Micro USB 3.0 devices. To connect, insert the cable's Micro USB tip into the larger of the two connection ports on your device.

Customer Questions & Answers

Customer Reviews

4.6 out of 5 stars
5 star
3,051
4 star
659
3 star
113
2 star
64
1 star
111
See all 3,998 customer reviews
This battery can charge my iPad AND iPhone several times before it needs to be recharged!
Jeff Frazier
I love it, it's so convenient to be able to charge my phone on the go and not worry about needing an outlet.
ngvaynshtok
And this anker battery thing just works well. charges my phone fast, and keeps a charge a long time.
Jan

Most Helpful Customer Reviews

1,189 of 1,228 people found the following review helpful By Kit Parenteau on May 27, 2013
Color Name: Black Verified Purchase
REVIEWER'S NOTE:
AnkerDirect has changed the product on this ASIN to a "2nd Gen" version. Several of the specifications no longer match this review and some other reviews. I am performing quick diligence to alert readers here and I will point out things that have changed in line below. Please take extra care with this product related to my review as I have not yet had a chance to review the new product directly. I strongly recommend that you check at least a selection of reviews in chronological order (newest reviews first) for some updated insights. Most of the information in this review continues to be relevant, which is why the review is left intact. Look below for //--Changes--\\ to the review based on what I know so far.

Pull out your big-pockets and don't expect something light, but plenty of power is in this package.
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360 of 393 people found the following review helpful By Paul Renwick on November 28, 2012
Color Name: Black Verified Purchase
For those readers that are reading this review on the Item page, this review is for the Astro3E 10000mAh charger. Since Amazon mixes reviews with all different "variants" of a product, and this comes in multiple capacities, this makes it hard to separate reviews.

This product does what it advertises, and does it VERY well. It comes with a nice mesh case which I carry it in constantly, and a nice little coiled USB cord with a few tips. While these aren't compatible with every device I own, I use it mainly to charge my phone, which is MicroUSB and included.

Some devices I have tried charging:
- I own a Motorola Droid 4, and I have charged the phone from dead to full over 4 times on a single charge. Android and Apple ports work, but on the Android port, the Droid 4 actually charges FASTER than the stock plug-in charger. My phone does not seem to mind.
- An LG Ally charges on either port, but faster on the Android port.
- A Nintendo DS Lite (with a compatible USB cord) charges on either port.
- An iPod Nano 6th Generation charges on the Apple port. It does not respond on the Android port. I have charged this device from dead to full, and did lose enough capacity on the battery for it to register.

I will update this review with more results as I charge more devices. I'm going on a few flights in the next couple of months, so this charger will gets LOTS of use.
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282 of 348 people found the following review helpful By Christopher E. Robison on December 6, 2012
Color Name: Black Verified Purchase
I don't actually like giving 5-star reviews, and on this one I hovered over 4 stars thinking to myself, well ... what's actually wrong with it? What can I deduct a star for? It doesn't actually charge itself magically from the luminiferous ether, it doesn't fly or bake cookies, and it definitely doesn't impress the ladies. Maybe they'll work these features in.

I've just received it and used it a couple times, so maybe I'll find a serious problem with it in the future. But for now, I'm really impressed with the apparent quality and functionality of the device. I can't really find anything serious to complain about.

Make no mistake, this thing is not subtle. It's bigger and heavier than my Galaxy SII (a fairly large-screen phone), though the dimensions are comparable with the phone when my rubber case is on it. It's massive, like a plate of armor or a piece of a big stone tile, and feels nearly as dense and solid. At 37Wh of capacity and up to 3A of current, the size and mass is definitely justified though, and it's obvious that they didn't waste any internal volume with hollow spaces in the enclosure. It hangs heavy in your pocket, but then we knew that was the deal before we bought a 10 amp-hour auxiliary battery, didn't we?

As an aside, this is the kind of thing that seems to deserve its own new kind of clothing to carry and conceal it. Since it's mainly going to be tech geeks who are interested in carrying around so much gadget fuel, and nerds like me tend to have a pretty substantial anterior pelvic tilt from sitting in front of computers all the time, maybe there's a market for some kind of garment that will hide a device like this in the curvature of the lower back, providing an "outlet" through your clothing somewhere around the belt.
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209 of 262 people found the following review helpful By J. Urschel on November 30, 2012
Color Name: Black Verified Purchase
I read a lot of the reviews and despite some concern about the people who said they got what appeared to be used devices and in some cases DOA devices I took the risk. Risk 1 me 0. Device's button when pressed caused nothing to light up. Plugged it into an ac charger and all 4 lights just constantly started blinking. Let it charge for a few hours came back plugged in an iphone and got nothing. Button still didn't cause any status lights to come on. Returning for a refund.

***UPDATE***
I am adding 2 stars as appreciation for the customer support team at Anker who reached out to me after the negative review and offered to send me another unit gratis to prove the product's merits. The second unit was received quickly and is functioning so far as planned (I will note that it wouldn't push my iPhone 4s to 100% without some extra button pressing. Stopped around 96% then I had to push the charge button about 4 more times to get it all the way to 100%). Also note that this unit does work perfectly well with the Google Nexus 7. Went from nearly 0% to fully charged overnight using this unit. Also note that if you have problems with your device update your feedback here on Amazon. Their customer support team seems to be more tuned into the feedback here than their own support site which I opened a ticket with before ever leaving feedback and didn't hear from until a day or so later. I will return in 6 months time and rate this device higher if it continues to function as I would expect and doesn't experience any of the failures or other oddities that some have noted in previous reviews.

***UPDATE 2***
Device is still rocking after all this time with no issues. Raising the review to 5 stars!
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