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422 Reviews
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 (335)
4 star:
 (55)
3 star:
 (14)
2 star:
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14 of 14 people found the following review helpful
5.0 out of 5 stars A sheer quality battery charger
I'm really impressed with this Anker external battery. Great delivery, packaging and high quality product which is just brilliant.

I absolutely love the packaging – it’s simple clean lines and appearance just shout “quality”. And there's certainly no disappointment when lifting out the charger with it's soft rubbery surface and curved...
Published 11 months ago by Tim129

versus
1 of 1 people found the following review helpful
2.0 out of 5 stars Good but not Great
While this product seems like a good idea, In reality this is not the case. While the device did work once it was fully charged. The add-on provided for the iSO device stopped working after a few charges. The USB cable the company provides is not as robust as I would like it. After about 9 months this too failed to work.
While I did try other USB devices to charge...
Published 3 months ago by raphael


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5.0 out of 5 stars Recommended, 5 Sep 2014
Verified Purchase(What is this?)
Ordered this a while ago, really pleased with this product.
It has a healthy amount of charge to last a while.

All good, would recommend to others.
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4.0 out of 5 stars Good balance of power vs capability, 21 July 2014
Verified Purchase(What is this?)
This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
Good balance of power vs capability. Takes longer than I would like to recharge to full, but works very well, incredibly simply to use and overall a good battery.
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5.0 out of 5 stars An absolute must buy!, 12 Nov 2014
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This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
One of the best purchases I've made on Amazon, hands down! Not only is the product great, but the customer service from Anker is one of the best I've experienced.
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5.0 out of 5 stars Clever and very useful., 28 July 2014
Verified Purchase(What is this?)
This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
Excellent product! I use it for my iPhone, iPad and GPS golf watch. Once fully charged I can bring it anywhere and never have to worry about batteries going dead.
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5.0 out of 5 stars Wonderful charger - can recharge 3 things at once if ..., 4 Sep 2014
By 
N. Warburton "Nik-W" (UK) - See all my reviews
(REAL NAME)   
Verified Purchase(What is this?)
This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
Wonderful charger - can recharge 3 things at once if needed & has enough power to recharge phones several times before having to be charged itself!
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5.0 out of 5 stars Heavy but handy for camping in the outback, 19 Sep 2014
By 
Chris Prettejohn (Cornwall, UK) - See all my reviews
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This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
Excellent but really I should have bought the smaller lipstick sized one as how often are you away from a powersupply for over 4 charges. Heavy.
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2 of 3 people found the following review helpful
5.0 out of 5 stars Great product, 3 Feb 2014
By 
M. Warburton (UK) - See all my reviews
(REAL NAME)   
Verified Purchase(What is this?)
This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
Yes one would like it to be lighter, and i'm sure in 5 or 10 years time this will be thought of a big black brick.
But, I think it's great.
It's not THAT heavy, it's well designed and finished, and jesus - walking around not having to desperately search for plugs in Cafes & Coffee Shops because I know have this in my bag is just fantastic. And knowing that it can charge x2 iPhones means there's PLENTY of juice whenever you need it.
Love it.
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2 of 3 people found the following review helpful
5.0 out of 5 stars Excellent, 28 Nov 2013
Verified Purchase(What is this?)
This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
I couldn't be more pleased. Unexpectedly high quality product and packaging. Hadn't ever really heard of the Anker brand but after buying the 2nd Gen Astro 3 120000mAh together with an Astro Slim3 6000mAh I'm blown away both. I think I'll be giving much more of my money to Anker in the future.
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2 of 3 people found the following review helpful
5.0 out of 5 stars best thing i have bought, 16 Nov 2013
Verified Purchase(What is this?)
This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
i bought this just over a month ago, used it a cple of times and recharged it, a month later and its still fully charged and ready to go, great batt back up devive far superior than the ones i have seen and got it at a great price.
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2 of 3 people found the following review helpful
4.0 out of 5 stars Anker 2nd Gen. Astro3 12000mAh External Battery, 9 Nov 2013
This review is from: Anker® 2nd Gen Astro3 12800mAh 3-Port (4A Output) Portable Charger External Battery Power Bank with PowerIQ™ Technology for iPhone, iPad, Samsung, Nexus and More (Black) (Electronics)
This item works as expected.

PROS:

- The battery is capable to refill your mobile phone several times and also any other electronic gadgets at the same time.

- Recommended for backpakers (those who can carry 300 g of extra weight with them).

CONS:

- The LED indicating battery level is a bit annoying, because it switches on with a slight movement.

- It takes more than a day to perform a complete refill of the battery.
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