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  • Anker 2nd Gen Astro E3 Ultra Compact 10000mAh Portable Charger  External Battery Power Bank with PowerIQ Technology for iPhone 6 Plus 5S 5C 5 4S, iPad Air 2 Mini 3, Samsung Galaxy S6 S5 S4 Note Tab, Nexus, HTC, Motorola, Nokia, PS Vita, Gopro, more Phones and Tablets and More (Black)
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Anker 2nd Gen Astro E3 Ultra Compact 10000mAh Portable Charger External Battery Power Bank with PowerIQ Technology for iPhone 6 Plus 5S 5C 5 4S, iPad Air 2 Mini 3, Samsung Galaxy S6 S5 S4 Note Tab, Nexus, HTC, Motorola, Nokia, PS Vita, Gopro, more Phones and Tablets and More (Black)

by Anker
7,855 customer reviews
| 1000+ answered questions

Price: $59.99
Sale: $21.99 & FREE Shipping on orders over $35. Details
You Save: $38.00 (63%)
In Stock.
Sold by AnkerDirect and Fulfilled by Amazon. Gift-wrap available.
Black
  • - The Anker Advantage: Join the 10 million+ powered by the #1 choice for USB charging.
  • Exclusive PowerIQ Technology: Detects your device to deliver its fastest possible charge speed up to 3 amps.
  • Ultra-High Capacity: Charges the iPad Air almost once, the Galaxy S5 two and a half times, the iPhone 5s four and a half times and other smartphones multiple times.
  • Most Compact: Slim, sleek, smartphone-like design featuring a 4-LED power meter. Recharges in 6 hours with a 2 amp adapter (not included) and the included Micro USB cable.
  • What You Get: Anker Astro E3 Portable Charger External Battery Power Bank, Micro USB cable, travel pouch, welcome guide, our fan-favorite 18-month warranty and friendly customer service.
2 new from $21.99

High-Quality External Battery Packs from AmazonBasics
Safely charge your smartphone or tablet with a portable battery pack from AmazonBasics with power overload protection. Shop now.
$21.99 & FREE Shipping on orders over $35. Details In Stock. Sold by AnkerDirect and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Anker 2nd Gen Astro E3 Ultra Compact 10000mAh Portable Charger  External Battery Power Bank with PowerIQ Technology for iPhone 6 Plus 5S 5C 5 4S, iPad Air 2 Mini 3, Samsung Galaxy S6 S5 S4 Note Tab, Nexus, HTC, Motorola, Nokia, PS Vita, Gopro, more Phones and Tablets and More (Black) + Anker 2nd Gen Astro Mini 3200mAh Lipstick-Sized Portable Charger External Battery Power Bank with PowerIQ Technology for iPhone 6 Plus 5S 5C 5 4S, iPad Air 2 Mini 3, Samsung Galaxy S6 S5 S4 Note Tab, Nexus, HTC, Motorola, Nokia, PS Vita, Gopro, more Phones and Tablets and More (Black) + [Apple MFi Certified] Anker Lightning to USB Cable 3ft / 0.9m with Ultra-Compact Connector Head for iPhone 6 6Plus 5s 5c 5, iPad Air mini mini2, iPad 4th gen, iPod touch 5th gen, and iPod nano 7th gen (White)
Price for all three: $42.97

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Color: Black

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

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This item: Anker 2nd Gen Astro E3 Ultra Compact 10000mAh Portable Charger External Battery Power Bank with PowerIQ Technology for iPhone 6 Plus 5S 5C 5 4S, iPad Air 2 Mini 3, Samsung Galaxy S6 S5 S4 Note Tab, Nexus, HTC, Motorola, Nokia, PS Vita, Gopro, more Phones and Tablets and More (Black)
Customer Rating (7855) (772) (643) (1114)
Price $ 21.99 $ 29.99 $ 17.99 $ 29.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By AnkerDirect Amazon.com P & G AnkerDirect
Color Black Black Black Black
Dimensions 0.65 inches x 5.39 inches x 2.64 inches 0.65 inches x 5.63 inches x 2.83 inches 2.99 inches x 6.02 inches x 0.35 inches 1.18 inches x 4.72 inches x 3.54 inches
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Product Description

Color: Black

ANKER: The #1 Choice for USB Charging

- Faster and safer charging with our leading technology
- 10 million+ happy users and counting

2nd Generation Astro E3 Portable Charger External Battery Power Bank
Portable powerpack perfection.

PowerIQ
Detects your device. Delivers the fastest charge.
Exclusive to Anker, PowerIQ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge.

Ultra-High Capacity
Charge an iPhone over four times, a large capacity phone like the Galaxy S5 two and a half times or most tablets at least once.

Most Compact
The size and feel of a smartphone. The E3 is unobtrusive, lightweight and the most compact among batteries of this capacity.

Premium Performance
Industry grade materials, premium circuitry and a battery 10% more efficient than the industry average ensure complete reliability.

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 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.
• Do not try to recharge the Astro E3 while it's charging a device, as this may reduce the battery's lifespan.


Product Details

Color: Black
  • Product Dimensions: 5.4 x 2.6 x 0.6 inches ; 8.2 ounces
  • Shipping Weight: 8.8 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 (7,855 customer reviews)
  • Amazon Best Sellers Rank: #43 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
  • Product Warranty: For warranty information about this product, please click here

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From the Manufacturer

Astro E1 Portable Charger Astro E3 Portable Charger 2nd Gen Astro3 Portable Charger Astro E4 Portable Charger Astro E5 Portable Charger Astro E7 Portable Charger
Color Selection Black, White Black, White Black, White Black, White Black, White Black, White
Battery Capacity 5200 mAh 10000 mAh 12800 mAh 13000 mAh 16000 mAh 25600 mAh
No. of iPhone 6 charges 2.0 3.9 5.0 5.0 6.2 10.0
No. of iPad Air charges 0.4 0.8 1.0 1.0 1.3 2.0
No. of USB Charging Ports 1 2 3 2 2 3
PowerIQ Technology
Max Charging Speed 2 A 3 A 4.5 A 3 A 3 A 4 A
Size 3.8 × 1.7 × 0.9 inches (candybar) 5.4 × 2.6 × 0.6 in (two decks of cards) 4.4 × 3.3 × 1.0 in (hipflask) 5.9 × 2.5 × 0.9 inches (glasses case) 5.9 × 2.5 × 0.9 inches (glasses case) 6.5 × 3.1 × 0.9 inches (Galaxy Note 4)
Weight 4.2oz (baseball) 8.2 ounces 10.6 oz (iPad mini) 10.4 oz (iPad mini) 10.4 oz (iPad mini) 15.8 oz (football)

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

1,658 of 1,724 people found the following review helpful By Kit Parenteau on May 27, 2013
Color: Black Verified Purchase
Pull out your big-pockets and don't expect something light, but this package provides plenty of power

«««««««««««»»»»»»»»»»»
The Praise (Good Things)
«««««««««««»»»»»»»»»»»
* Small form factor for the amount of battery content
* Charge status and level indicator LEDs
* Automatic power off
* PowerIQ(tm) feature to automatically route power and line connectivity based on the device plugged in
* Excellent value for cost

««««««««««»»»»»»»»»»
The Raze (Bad Things)
««««««««««»»»»»»»»»»
* Construction of the included cable is cheap

«««««««««««««»»»»»»»»»»»»»
The Haze (Things to Consider)
«««««««««««««»»»»»»»»»»»»»
* About the size of a 5" smart phone but thicker
* Substantially heavier than an average smart phone
* Charges more slowly than the power it supplies
* Will not charge low-power-draw devices due to Auto-Off function
* Charging this device draws more power than some chargers can provide
* Does not come with an AC power adapter to charge itself so charging off USB is a very long process

»»»»»»»»»»»»»»
The Details...

REVIEWER'S NOTE:
AnkerDirect has changed the product on this ASIN to a "2nd Gen" version. Many of the older reviews are reviews of the original first generation. This review has been updated to the second generation product currently provided here.

Edit February 25 2015:
Due to the increasing average size of smart phones, some terminology has been changed to better reflect the changing reality around the world.

This battery comes in a comfortable packaging with good instructions and a few interesting items.
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408 of 423 people found the following review helpful By Donna NaQuin on September 10, 2013
Color: Black Verified Purchase
I purchased this item about 8 months ago. for my cell phone. I LOVED it. It would charge my phone 4 or 5 times without needing a charge. All of a sudden a month or so ago, it won't even give me 1 charge. After plugging in the phone and pressing the button, all 4 lights light up, then I get about 25% charge and it's dead.. press the button, no lights. I just contacted Anker and left comment. I hope they have a solution. If they do, I'll give it 5 stars.
update 03.02.14: sorry I didn't update sooner. I emailed Anker and told them about the problem. They emailed me right away, asked for the model# and my address. They sent me another charger and didn't make me go to the post office and pay to return the old one. Then they emailed me a week or so later to make sure I got it and to see if it was working properly. I emailed them back thanking them for their awesome c.s. and told them that it's working great. I get 2 or 3 charges on my tablet or several on my phone with 1 charge. I not only would do business with Anker again, but I highly recommend them, their products and their c.s. is 2nd to none.
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440 of 487 people found the following review helpful By Paul Renwick on November 28, 2012
Color: 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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49 of 50 people found the following review helpful By Howie on April 27, 2013
Color: Black Verified Purchase
I bought this for use with my Nexus 4. It does this well with extra battery juice to spare. Now on the meat of the review. It comes with connector cables for android (micro USB) phones, iPhone adapter for charging and some other charger adapters. The device itself has two USB ports on the base with 4 LEDS on the face that signify roughly the amount of charge left remaining and a power button in the center between the LEDS. The two USB ports are labeled...one for android and one for iPhone. The ports are optimized for the charging specifications on the different phones. I have only tested it with an iPhone and my Nexus which when turned off was able to charge up in 30 - 45 minutes. Normal charging expect an hour to an hour and half depending on usage during the charging cycles. This will vary depending on size of battery in your phone and usage during charging.

Pros - Large capacity
Portable
Multiple different connectors for charging different devices
Attractive design/good construction

Cons - I wish it came with better way of organizing or keeping up with all the USB charging cord and connectors. Maybe slimmer battery design that would allow some kind of case built-in storage for the connectors? Or a self contained case of some kind that keeps up with the cord. I am thinking of solution...ahh wish I had that 3D printer now...any how the carry pocket that comes with it is not the best solution. Not sure this would be great daily pocket-able solution (look to the slim battery pack they offer). As with all battery packs the dilemma is between portability, size and capacity. For my needs I can keep this in backpack, travel bag but for a jean pockets or such slimmer less capacity battery would be better.
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