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  • Anker® 2nd Gen Astro3 12000mAh High Speed 4A 3-Port External Battery Charger with PowerIQ? Technology for Smartphones, Tablets and More(White)
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Anker® 2nd Gen Astro3 12000mAh High Speed 4A 3-Port External Battery Charger with PowerIQ? Technology for Smartphones, Tablets and More(White)

by Anker
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Price: $99.99
Sale: $49.99 & FREE Shipping. Details
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  • PowerIQ™ technology maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 4 amps overall or 4 amps per port.
  • 12000 mAh of capacity and an energy efficiency rate 10% above previous generation Astros and many current standard alternatives charges the iPhone six times and large-capacity phones like the Galaxy S4 almost four times.
  • A "shake" starts a charge or displays the remaining power level. The ultra-low power consumption (100000 shakes consume less than 1%) 10-LED power meter balances accuracy and aesthetics.
  • Sturdy construction and matte finish withstand bumps and drops. Grade A cells and premium chips ensure reliability. Input: 5V / 2A; Use a 2A adapter (not included) with the included USB cable for the fastest charging time (9 hours).
  • Package contents: Anker® 2nd Generation Astro3 External Battery, webbed travel bag, micro USB cable, welcome guide, 18-month hassle-free warranty. (Apple adapters, 30 pin and lightning, Samsung 30-pin adapter not included).
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Anker® 2nd Gen Astro3 12000mAh High Speed 4A 3-Port External Battery Charger with PowerIQ? Technology for Smartphones, Tablets and More(White) + Anker® 2nd Gen Astro3 12800mAh 3-Port 4A Portable Charger  External Battery Power Bank with PowerIQ Technology for iPhone, iPad, Samsung, Nexus and More (Black)
Price for both: $95.98

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Color: White

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This item: Anker® 2nd Gen Astro3 12000mAh High Speed 4A 3-Port External Battery Charger with PowerIQ? Technology for Smartphones, Tablets and More(White)
Customer Rating (172) (983) (3207) (1322)
Price $ 49.99 $ 36.99 $ 29.99 $ 39.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By AnkerDirect AnkerDirect AnkerDirect AnkerDirect
Color White Black Black 13000mAh Black 16000mAh
Dimensions 1.02 inches x 4.37 inches x 3.27 inches 1.18 inches x 4.72 inches x 3.54 inches 0.91 inches x 5.91 inches x 2.44 inches 0.91 inches x 5.91 inches x 2.44 inches
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Technical Details

Color: White
  • Size (LWH): 4.37 inches, 3.27 inches, 1.02 inches
  • Weight: 10.56 ounces
  See more technical details

Product Details

Color: White
  • Product Dimensions: 4.4 x 3.3 x 1 inches ; 10.6 ounces
  • Shipping Weight: 13.6 ounces (View shipping rates and policies)
  • ASIN: B00HIZYCM2
  • Item model number: AK-79AN7904S-WA
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (172 customer reviews)
  • Amazon Best Sellers Rank: #24,507 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
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Product Description

Color: White

The 2nd generation Anker® Astro3 recasts the possibilities of mobile power.

PowerIQ™: Compatibility maximized.
Not all charging ports are created equal. Standard ports only communicate effectively with particular devices, like Apple OR Android, often limiting their recharge rate. But with PowerIQ™ technology, each port intelligently identifies your device to speak its unique charging language. So plug in any brand or model and enjoy compatibility that doesn't limit your charging speed.

Packed with power.
We figure, the more power, the better. Packed with 12000mAh of juice, and featuring an energy efficiency rate 10% above previous generation Astros and many current standard alternatives, the new Astro3 charges the iPhone six times and large-capacity phones like the Galaxy S4 almost four times.

Double take.
Chic and minimalistic, the new Astro3 may feel reserved at first. But, a friendly "shake" reveals its warm inner light to display the power level or begin your charge. Generous, cool, and delightfully intuitive, the new Astro3 is perfect for your next adventure, or just the daily grind.

For optimal use.
• Please use the included cable(s), your device's original cable or a third-party certified one (such as MFi).
• Compatible with all Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices. The iPod nano, iPod Classic, HP TouchPad, LG G2, Asus tablets and some GPS and Bluetooth devices are not supported.
• The included Micro USB cable is compatible with the Samsung Galaxy S5, Note 3 and other Micro USB 3.0 devices. To connect, insert the cable's Micro USB tip into the larger of the two connection ports on your device.

Customer Reviews

I can charge my phone multiple times.
Danyal Sumra
1 day after posting this review, the customer service department called me and they are replacing my product ASAP.
Ericka Lavender
Once it's charged it works perfectly and it lasts for a long time.
Betty Guerra

Most Helpful Customer Reviews

2 of 2 people found the following review helpful By Ericka Lavender on October 19, 2014
Color Name: White
I really like it however, I'm sending it back because I don't think all of the USB drives work and it takes forever to charge. I've had it for over 2 weeks now and I love having a portal charger but I think this one is defective. Sending it back to get another one.

1 day after posting this review, the customer service department called me and they are replacing my product ASAP. They were GREAT and very responsive to my review, I felt bad because I really like the product and planned on replacing it. The customer service rep was very apologetic and helpful and I should receive my new product by the end of the week.
Thanks Anker.
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Color Name: White Verified Purchase
delivery of this product was very quick and I was amazed by the quality of the product for compared to price. this is worth a purchase, very light, super luxurious when you hold it, charges even quicker than the regular rapid chargers. perfect for apple devices. it is so handy and effective that next day my wife took this over for her hand bag to keep her ipad, iphone and ipod charged during her busy day. I definitely recommend this product.
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1 of 1 people found the following review helpful By Tim C on October 3, 2014
Color Name: White Verified Purchase
Completely failed me on my first major trip. Battery was dead in the middle of my 6 hour flight. Maybe all that shaking causes power leakage ?

Recharged at hotel. Now, my iPhone is at 44%. It only charges if I shake the battery -- it only lasts for 2 seconds.

My first generation Anker is better - I turn it on, and it charges the iPhone. I don't like this smart charging.

I'm returning this...
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1 of 1 people found the following review helpful By maddglam4u on July 6, 2014
Color Name: White Verified Purchase
It's been longer than 2 months for me to decide to give my review. I took this time to really get the just-of-it. It charged both of my iPhone and husband's iPhone as well as my iPad at once fairly well, with some charge left over. However, if you did not purchase the plug that is offered, it will not charge correctly. Meaning. The plug to charge the battery should be more than a 9v. So I charge mine on my desktop Mac computer or my 12v plug from my Samsung phone.
All-in-all, it's not a bad purchase for what it delivers, just be patient when it's charging. It literally takes all day.
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1 of 1 people found the following review helpful By Amy Lapierre on September 15, 2014
Color Name: White Verified Purchase
The first one lasted 4 months - all 3 usb ports stopped charging for no reason. The circle light seemed correct in that it showed a full charge. Tried multiple cords and devices testing if anything would charge from it and nothing would. When it worked it was great - charged my phones fast. I contacted Anker via email expecting nothing and within a week they had phoned me and shipped me a new one. I was impressed with the customer service and the new charger has worked great. I bought it because it has so much "juice" to charge my phone and portable speaker all weekend - no easy task for a old iphone5 with an old battery that is always half dead by mid morning with barely any use.
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1 of 1 people found the following review helpful By karim youssif on June 25, 2014
Color Name: White Verified Purchase
i bought this one specially for high capacity 12k mah
i have samsung note 2 which battery is 3200 mah

this anker never charged my note more than 2 full charges !!
where is the rest 5000 mah i don't know

very dissapointed
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Color Name: White Verified Purchase
The review I posted earlier today and deleted right after, was not 100% correct. So if you were fast enough to read it, here is some more details.
I said that I could not charge my IPad 2 using this charger.
After I did some more troubleshooting, I discovered that my original Apple IPad cable charger does not work when charging the IPad with this charger, it only works when I charged directly from the outlet. I am not sure why, but I could replicated the issue with two IPads
When I tried another cable (not an original Apple cable), it worked fine. And this result could also be replicated with two IPads.
So it might be a bad cable, but I don't understand why I can use it with the outlet but not with the charger. (if anyone knows, please post a comment)
I am changing my rating to a 5. Why?
I received a call from the company's customer service today offering a quick exchange and asking for feedback so I could have a positive experience. It's hard to find customer service at this level today, so they get a 4+ for the product ( not sure about cable issue and is very heavy and bulky to carry in the pocket), and a **5+** for customer service.
PS: this is the second Anker charger I purchased. The smaller capacity one is still working fine.
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By alex w. on November 9, 2014
Color Name: White Verified Purchase
travel much? this is a must have. small external batteries with less than 5000mAh are just junk. they charge your phone maybe once or twice and after a couple uses the small external batteries stop holding a charge. this thing is 12,000mAh. it is well built, customer service is above the rest and it has smart usb ports, so it charges your device at optimum speed according to the device. ie. ipad at 2Amps. it can charge my iphone from 10% about 8-9 times. being in the army and in the field, I can attest that this has been useful when flying, camping, or any chances of being away from a wall plug. FYI: do get an aftermarket wall plug with charging this battery and make sure the wall plug charges at 2Amps or more. most cheap wall plugs charge at 1Amp and will not charge this battery in a timely manner. it takes about 6-8 hours when completely depleted with a 2Amp wall charger.
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