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Anker 2nd Gen Astro 6700mAh (2A Output) 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 (Black)

by Anker
4.7 out of 5 stars 1,299 customer reviews
| 97 answered questions

Price: £19.99
Sale: £15.99 & FREE Delivery in the UK on orders over £20. Details
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Sold by AnkerDirect and Fulfilled by Amazon. Gift-wrap available.
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Black
  • The Anker Advantage: Join the 10 million+ powered by Amazon's #1 charging brand.
  • Exclusive PowerIQ Technology: Detects your device to deliver its fastest possible charge speed up to 2 amps.
  • High Capacity: Charges the iPhone 6 well over two times, the Galaxy S6 1.5 times , and other smartphones multiple times.
  • Superior Quality: Premium LG cells, cutting-edge circuitry and a sturdy drop-tested exterior ensure durability and safety. Recharges in 6 hours with a 1.2 amp adapter (not included) and the included Micro USB cable.
  • What You Get: Anker 2nd Generation Astro Portable Charger External Battery Power Bank, Micro USB cable, travel pouch, welcome guide, our fan-favorite 18-month warranty and friendly customer service.
£15.99 & FREE Delivery in the UK on orders over £20. Details In stock. Sold by AnkerDirect and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Anker 2nd Gen Astro 6700mAh (2A Output) 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 (Black)
  • +
  • Mains charger for Anker PowerCore+ 10050 / PowerCore+ 13400 / 2nd Gen Astro 6400mAh (2A Output) Portable Charger External Battery Power Bank - NO PC REQUIRED - AAA Product®
Total price: £22.98
Buy the selected items together

Product details

Colour Name: Black
  • Product Dimensions: 9.3 x 4.3 x 2.2 cm ; 122 g
  • Boxed-product Weight: 181 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: AK-79UN53V1-B8P56A
  • ASIN: B005NFOA0S
  • Date first available at Amazon.co.uk: 16 Sept. 2011
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (1,299 customer reviews)
  • Amazon Bestsellers Rank:

Product Description

Colour Name:Black

ANKER: Amazon's #1 Charging Brand

• The highest average review rating of any charging brand.
• One in three chargers sold on Amazon is from us.
• Join the 10 million+ satisfied customers powered by Anker.

2nd Generation Astro Portable Charger External Battery Power Bank
The most powerful and portable charger in its category.

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.

High Capacity
Charges the iPhone 6 over two times, the Galaxy S6 over 1.5 times, and other smartphones multiple times.

Superior Quality
We use only the finest quality LG cells, together with the most advanced materials and cutting-edge technology, to ensure complete safety.

Ultra Compact
As small as a candy bar. Now upgraded with higher density cells and efficiency 10% above most other brands to give you 6% more power.

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.

Customer Reviews

Top Customer Reviews

Colour Name: Black Verified Purchase
Only just got this, mainly to charge up a gopro battery, but thought I would charge up my iphone5 as was about to go out and no time to plug into mains charger, as it does not come supplied with the latest type (lighting connector) I took the iphone lead with me and plugged it in... great its charging... two minutes later the charging stops and you get the yellow warning triangle displaying on the iphone5 that this is not a compatible charger and so will not charge your iphone5 despite the product claiming to charge it.

Update: After writing this review I was contacted by Anker who were most concerned about this not working with the iPhone 5, to cut a long story short this product now gets FIVE stars and the same for the Anker support via email, there is sometimes a slight delay in getting a reply due to the times zone but it was sorted out and Anker sent me a replacement unit via Amazon.
I plugged it in to a half charged unit and no more warning from the iphone, charged up the iphone which was on 67% to 100% in no time at all, can not recommend this company and support highly enough, if only all support was like this... they also told me no need to return the old unit so keeping that as it works on the Gopro hero 3.
10 Comments 204 of 212 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Colour Name: Black Verified Purchase
We are all carrying more and more devices with us and batteries do seem to run out at the worst of moments. Some companies even charge massively for backup batteries and even then those batteries will only work with the device they are brought for.

I have found the Anker Astro 5600mAh power pack to be a life safer of many occasions. I do not find it heavy and it's nicely sized so i keep it in my pocket when i go out. Often on a busy day my iPhone will run out of battery, or my camcorder when i really want to film something. This is not a problem anymore since i am able to charge on the go.

Surprisingly the battery charges devices very quickly, but once the Anker battery needs recharging itself it can take a while. I suggest charging the Anker battery over night, that way you are guaranteed full charge for the day ahead. You can use this battery to supply power to anything that uses USB to charge, simply by plugging the usb cable into the battery, and then connecting your device to the same cable. Pressing a button then activates the charging process.

You also have use of a torch that's built into the device. This is very useful if you even need a torch on your journeys. I highly recommend this product to pretty much anyone. You never know when you'll need more power while outside and this gives it to you.
Comment 8 of 8 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Colour Name: 6400mAh Green Verified Purchase
I have purchased that item just a few weeks ago. It does do anything it says. The only thing that I find a little annoying is that while inside it pouch sometimes it does shows thebattery life and carries on to work even if its not connected to a device. It will be perfect if it had an on off switch instead. Probably by the side where you connect to mains in order to reserve the battery instead of allowing it work when you do not want it to. If it had that it will have been a perfect product. I bought many items from anker and they are all excellent quality and great customer service and therefore I highly recommend their products.
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Colour Name: Black Verified Purchase
Very good product, quality made and clear instructions. Useful additional to carry around to boost the charge on my two mobile phones as well as my Kindle Fire HD when on the go.
Comment 31 of 35 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Colour Name: Black Verified Purchase
I almost want to say that this little device has changed my life! I have an iPhone 4s, I love it but as we all know iPhones are not known for their battery strength. This phone is now fairly old and well used which certainly doesn't help. I normally charge my phone before I go to bed, then sometimes I top it up again in the morning but if I use it a bit (and by a bit I really don't mean that much) then it quickly drops and I start to be aware of trying not to use it in case someone calls. Recently I've had a lot more phone calls and this has made it worse, I'd be trying to plug the phone in for ten minutes here and there when I could to try and get me through the day without my phone dying.

So then I thought about buying one of these. It's wonderful! It's quick to charge and has lights to indicate how charged it is, and it charges my phone quite quickly too. I can plug it in and still easily use the phone too. It has made such a difference as I'm not now planning my day around having time to top up my phones charge and the stress around all of that has gone. The customer service has been great too, not that I've needed to contact Anker but they have sent me a couple of emails with hints and ways to contact them if needed which is unusual and appreciated (not too many emails either so don't worry about being spammed by them!). I'd really recommend this and love how long it keeps charge so if I don't use it for a bit I don't have to worry about it being empty, and as it can do multiple charges I don't have to keep remembering to charge it up either.
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Colour Name: Black Verified Purchase
Yet again a great product from Anker, comes completely "plug 'n play" out of the box even though with batteries it's always good to give it a full charge at least once before you start using it... overnight if possible.
I received my Astro portable external battery charger yesterday and started using it today: it works great, it's great value for its cost, comes with a nice pouch, cable, instruction manual and the quality of the product is top of the line. it also packs a lot of juice. (last year I spent over 40 euro's on a external battery with far less mAh, it could'nt even charge my phone to 100%) so I am very pleased with this Astro 5600mAh!

I also love the 'reverse-action' charge/discharge possibility, to charge up any device with the Anker Astro, just plug in the USB-cable: normal USB-plug in the Astro, and the micro-USB plug in your device, to recharge your Anker Astro, just reverse the cable and plug the micro-USB side into the Astro, and connect the normal USB-plug to a computer, laptop, any device with a USB-port that allows you to charge the Astro... you don't even need to power up some devices as long as they are plugged into the wall socket.

the Astro has a nice looking charge/discharge indicator and even a built-in flashlight, great for finding your keys at night while standing at the door...

finally... and just as last time I ordered an Anker-product: not even the slightest problem with the delivery; well within the estimate and the package itself wrapped in bubble-wrap... great!
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