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Anker® Astro 5600mAh Portable Power Bank Pack External Battery USB Charger with Built-In Flashlight for iPhone 6 5S 5C 5 4S 4, Galaxy S5 S4 S3, Note 4 3, HTC One, Motorola Droid, MOTO X G, LG Optimus, and most other Phones

4.7 out of 5 stars 78 customer reviews

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Product Information

Technical Details
Item Weight118 g
Product Dimensions9.4 x 4.3 x 2.3 cm
Item model numberAK-79UN53V1-B8P56A
Weight120 grams
  
Additional Information
ASINB005K7192G
Customer Reviews 4.7 out of 5 stars 78 customer reviews
Best Sellers Rank
Shipping Weight204 g
Date First AvailableMarch 27 2012
  
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Customer Reviews

4.7 out of 5 stars
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Top Customer Reviews

Verified Purchase
Convenient, safe way to charge your phone or tablet. I got this for safety reasons more than anything else. I have an iPod that I plugged in with a wall socket adapter and it overheated and damaged the battery. Now I only plug the iPod into the battery or a laptop to avoid further issues. I also have a Nexus 4 cell phone that I often charge with the Anker Astro. Considering the size of the battery, it's lighter than I expected and the built-in flashlight is a great feature. My only negative comment is that they should include more adapters than just the iPhone/iPod Touch 4 it came with. Other than that it's perfect for my purposes.
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Verified Purchase
While the battery may be fully charged this device only changes when the ipod is in us. If you wish to power the ipod for us later it doesn't work. Crasy.

Update on June 16/2014. The manufacturer read my comment here. Emailed me and asked me a few simple questions and sent me a new one which works. Excellent service.
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Verified Purchase
I've used a MiiKey one that looks pretty much EXACTLY like this one, but Anker's quality is SO MUCH BETTER. This holds a lot of power, and even when charging my phone/tablet/other micro USB port (like my PS Vita), it charges much more quickly. I actually bought this for my mother for Christmas (or her birthday... she never used it regardless...), but I ended up being the first to try it. The other one was a different kind/brand that my friend had, but even she said mine was better at charging. Seriously recommend this, as it doubles as a flashlight as well (but I use my cellphone for that, but I've tried it and it seems quite powerful/useful). I would recommend Anker (or at least this particular device ><) to everyone I know!!
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Verified Purchase
Works perfect with my iphone 5. And if you lose the included charger cables you can use any other micro usb cord to charge this.

It's portable to fit inside a jacket pocket. So when I'm out the whole day i can just charge my phone in my pocket.
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Verified Purchase
Been using this for a while now and it has been tested to its max. Charges my Samsung S3 quickly.
Also the flashlight is an added bonus, it is very bright and last a very long time (something like 36 hours of continuous use)
come in handy in a power outage, and best thing, if you out of power for days you can charge it in your car.

But that aside, using as a cell charger is amazing. Would HIGHLY recommend it.
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Verified Purchase
GOt 4 of these, had 1 from like over 8 months ago still working like a charm for the old one.

the rest are for x-mas gifts =)
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Verified Purchase
We purchased this to resolve a known concern with the Samsung Galaxy S3. Although it's an excellent phone it does chew through the battery before the day is over. My daughter has very long days at University and at times has to do the walk home at night.Many times she would hunt around campus looking for the recharging station just for the boost she'd need to make sure she had a working phone for the walk home. On several occasions her phone was dead by the time she had to walk home which was a concern from a safety point of view. We bought this for her and had it shipped to her dorm. It arrived very quickly from the vendor. My daughter followed the instructions and we went over a quick strategy to make sure it was used from time to time and always recharged and ready to go and in her purse etc..

So far it's working out very well. She's not really into tech but sees them as tools but she was pretty excited about this battery pack and really appreciates to convenience and well peace of mind it provides.

though we've only had it for a month we Highly recommend this product.
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Verified Purchase
Sept 12/13 Update:
Anker contacted me directly about my purchase and product experience.
Long story short - they offered a free replacement for the same product.
I told them I would pay extra to get the next step up battery - to my surprise they offered to ship me the replacement of Anker Astro Pro 10000mAh Multi-Voltage External Battery for FREE!
Now, this IS THE CUSTOMER SERVICE I am talking about!

I wish more companies would have such great customer service!!!
the replacement I received worked like a charm! I guess I did get a lemon with my first purchase...go figure:)

I appreciate Anker for following up with me so promptly!

FIRST REVIEW:
As i was looking for a battery back up for my Samsung galaxy s2, i decided to buy this one.
The initial anker charge was quick.
First time I had to use it was when went camping in July. The unit charges my s2 VERY SLOW. unless i got a lemon unit... Don't know.
My battery was down to 13%, i plugged s2 and in the morning i only saw about 60% only. I had to keep on pressing a button on anker unit so it kept on charging my phone. Was it in the sleeping mode?... Don't know.

Again, just came back from camping. Same story. Was down to 30-35% and only got charged to 58% in the morning. Strange and annoying!
At this point i don't know what to do. Im out of $45 smth.
We travel a lot and i wanted to have a piece of mind. I guess i won't.
My 2 cents.
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