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Anker Astro E5 Black 15000 mAh Power Bank External Battery for iPad Air, Mini, iPhone, Galaxy S5, S4, S3, Note 3, Nexus 4, 5, 7, 10, HTC One, One 2 (M8), Motorola Droid, LG Optimus, MOTO X and more

  • Black
  • 15000 mAh
  • Output: USB DC 5V / 1A, USB DC 5V / 2A
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Anker Astro E5 15,000mAh External Battery

With such massive capacity, in such a compact package, the Anker Astro E5 is perfect for flights, road trips, or just any time you're away from an outlet.


Anker Astro Battery

Enough Power to Go Around

Marooned? In transit? Forget your OEM adapter? With the Anker Astro E5, prolong your battery life multiple times, wherever you are. Holding enough power to charge most smartphones 7 - 8 times, keep your gadgets going for days and still have juice left to share.

Anker Astro Battery

World's Most Compact 15,000mAh Battery

Innovations in battery cell technology allow us to pack more power into less space – making this the most compact ever 15,000mAh external battery. In addition to portability, the Anker Astro E5 sports two concurrent, high-speed ports. So whether you're charging an Apple or Android device, you won't need to wait around.

Anker Astro Battery

Designed Around the Details

Just because the E5 packs a punch, doesn't mean it can't look nice. We went with a smooth, ebony/ivory finish to keep you traveling in style. Simple, unobtrusive features, such as one-touch status LEDs and a built-in flashlight, give you everything you need out of a battery without sacrificing aesthetics.

Anker Astro 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 5V input USB-charged devices. The iPod nano and some GPS and Bluetooth devices are not supported.

Learn more about the Anker 79AN15K-BA


Astro E5
Portable Battery


Compatible Phone Manufacturer
Compatible Phone Model
For iPhone 5 (Apple adapters not included), 4S, 4, iPad 4, 3, 2, Mini, iPods, Samsung Galaxy S4, S3, S2, Note 2, Note 8, Tab 3; HTC One, EVO, Thunderbolt, Incredible, Droid DNA, Motorola ATRIX, Droid, Google Glass, Nexus 4, Nexus 7, Nexus 10, LG Optimus and More


15000 mAh
Output: USB DC 5V / 1A, USB DC 5V / 2A

Input: USB DC 5V / 1.5A


Monster capacity (15000mAh) charges the iPhone almost 7 times, large-capacity phones like the Galaxy S4 4 times or almost a full charge to an iPad 3 / 4. In terms of power, this is the biggest, baddest battery in the Anker mobile line.

Super-fast charge output (5V / 3A total) through dual USB ports (5V / 2A and 5V / 1A) allow for simultaneous charging of your iPad, iPhone, Android, and more at high speed.

Smooth, ebony varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity. Built-in flashlight for dark or low-light environments.

Ultra-high density battery cells make this the world's most compact 15000mAh external battery. Use a 5V / 1.5A adapter (not included) for fastest charging (9-10 hours).

Package contents: Anker Astro E5 External Battery, Accessories, instruction manual.


4.9" x 3.0" x 0.9"
11.1 oz.

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Anker 79AN15K-BA

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  • Amen A.
  • 10/9/2014 12:02:42 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsExcellent Power Bank~

Pros: -Holds a lot of charge
-charges devices quickly
-1A and 2A port
-Power level LEDs are nice
-Built in flashlight
-nice rounded design...wont scratch other gear

Cons: -recharges slowly, but then again it holds a lot of charge
-flashlight can be easily turned on accidentally

Other Thoughts: I bought this power bank for a trip overseas I was taking and knew I would need some extra life for my phone/tablet. Simply put, this device really saved my trip. There were a few times when I was trying to find my way somewhere and my battery was dying so I plugged in the power bank and was good to go.

The only thing I dont like is how easily the flashlight comes on. All you have to do is press the button on top of the power bank twice and you have a super bright LED flashlight. There were a few times where the flashlight would get turned on while it was in my backpack. Granted it is LED so it does not drain the power very quickly, but if you dont notice it for a long time, it could really cause a problem.

All in all this is an excellent purchase if you are looking for some extra battery life in your devices.

1 out of 1 people found this review helpful. Did you? Yes No

  • Noah N.
  • 8/19/2014 4:22:02 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsExcellent rate of charge and holds a large amount of electricity.

Pros: I can charge my Sansa Clip, FiiO E06, and Galax S3 for at least two days on this. It works perfectly. I normally leave it in my pocket and charge whichever device on the go, and it really isn't as terribly big as I thought it would be. It's surprisingly slim for what it's worth, and yet it doesn't melt through my pants with heat. I don't think I've ever experienced it overheating yet.

Cons: None, at all. Let's hope it doesn't explode on me, though.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 8/7/2014 8:05:26 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAwesome product

Pros: Works great and charges my S4 really fast out in the field. Easy to carry. One charge last all week.

Cons: None

Did you find this review helpful? Yes No

  • Thomas S.
  • 7/21/2014 6:08:40 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsFast charging Iphone 5

Pros: Powerful. Fast charging iphones and Galaxy 4
Comes with cable to charge unit only.

Cons: Fairly heavy. Need to supply your own usb cable to charge your device.

1 out of 1 people found this review helpful. Did you? Yes No

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