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Item#: N82E16875968030

Anker 2nd Gen Astro Pro2 20000mAh 4-Port Aluminum Portable External Battery Charger with 9V/12V Multi-Voltage Port and PowerIQTM Technology for iPad, iPhone; Galaxy S5 S4, Tab 2, Note, Nexus and more

Sold and Shipped by Newegg

  • Ultra-high 20000mAh capacity
  • PowerIQ maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 3 amps overall or 3 amps per port
  • Additional 9V or 12V port

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
Astro Pro

Anker 2nd Gen Astro Pro2 20,000mAh Quad-Port External Battery

Capacity 20,000mAh
Output USB output: 4.5A (max); DC output: 9V / 2A or 12V / 1.5A
Input 12V / 2A
Weight 510g / 18oz
Size 4.4 x 6.6 x 0.6in. (113 x 168 x 16mm)
Astro Pro2Astro Pro2

Tablet & phone compatibility? Universal max-speed charging? Power-packed & portable? The reinvented Astro Pro has it all.

Astro Pro

PowerIQ™: Full Speed Charging - Every Device, Every Time

Not all USB charging ports are created equal. Standard ports only charge Apple OR Android devices at full speed. Our solution? Smart ports, powered by PowerIQ™ technology, intelligently identify your device and speak the language it needs for full speed charging. Coupled with an industry-leading 4.5 Amp output, charge multiple devices all at full speed.


Astro Pro

Uber Powerful

20,000mAh of power keep you and your gear going, and going - and going. Add 1000% more battery life to an iPhone, 600% to your large-capacity phone (like a Galaxy S4), or 130-300% to your tablet (depending on its battery capacity) - all away from an outlet. What's more, the added energy efficiency gives you 10% more usable power than the previous generation and many standard alternatives.


Astro Pro

Brilliant Display

Interacting with the all-new aluminum-cased beauty couldn't be easier. The LCD simplifies everything - displaying the remaining power (with precision down to the percent), output, input and voltage selection.


For Optimal Use

- To ensure complete safety and best performance, we strongly recommend using your device's original cable, a third-party certified cable (such as MFI) or our included cable.

- Compatible with all Apple and Android smartphones, tablets and other USB-charged devices. The iPod nano, Asus tablets (not include the Nexus 7), the LG G2 and some GPS and Bluetooth devices are not supported.

Popular Compatible Models

  • Apple: iPhone 5S, 5C, 5, 4S, 4, 3GS / iPad, iPad 2, iPad 3, iPad 4, iPad Air / iPad mini 2 / iPad mini / iPod (Apple adapters not included)
  • HTC: One Max, One, One X, S, V / Sensation, Sensation XE XL / EVO 4G / Radar 4G / Inspire 4G / Vivid 4G / Wildfire S / ThunderBolt / Incredible 2 S / Rezound / Desire X, C, V, HD, S, Z
  • Samsung: Galaxy S4 / S4 mini / Galaxy S3 / Galaxy Note 3 / Galaxy Note 2 / Galaxy S2 I9100 / Galaxy S I9000 / Verizon Galaxy S3 I535 / AT&T Galaxy S3 I747 / Sprint Galaxy S3 L710 / T-Mobile Galaxy S3 T999 / T-Mobile Galaxy S2 T989 / AT&T Galaxy S2 I777 / AT&T Galaxy S2 Skyrocket SGH-I727 / Galaxy Nexus / Focus S / Infuse (Samsung 30-pin adapter not included)
  • Motorola: X Phone, Droid Razr, Bionic / Atrix 2 / Triumph
  • LG: Nexus 4, Optimus 4X, 2X, V, S, T, 3D, 7
  • Nokia: Lumia 1020 920 820 900 710 800 / N8 / N9
  • Others: Blackberry Z10 Torch Curve 9900 9360 9320 / Sony Ericsson Xperia Arc S, Sony Xperia Z,X10 / PSP / Nook Color / MP3 MP4 MP5 / GoPro / Amazon Kindle, Kindle Fire,Nexus 7
Astro Pro

Learn more about the Anker 79AN7906-BA

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Anker 79AN7906-BA

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  • Scott H.
  • 11/19/2014 6:43:41 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsneed a really good spare battery?

Pros: This is my second Anker 2nd Gen astro pro2...I loved the first one and found it super handy. It's good for a full charge from near 0% battery on a shield tablet while you watch video leaving the anker with approx 30% left after. If your playing games though its only good for one fill from the increased power consumption. Anyways my wife and I wanted more juice on the go so we got a second battery. So far its just as good as the first. Now we should be set for that plane flight to Australia!

Cons: making sure the charger recognizes a device at plug in....make sure your lcd screen is lit when you plug in your usb port or the device may not charge ;)

Other Thoughts: would love to see a double (40k) or even triple (60k) capacity unit.

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

  • Justin H.
  • 8/26/2014 4:58:14 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsCharges everything you need and then some.

Pros: It actually fits in my pocket, while being thin enough to get my keys or phone in there as well. feels kinda awkward though. See other thoughts.

Cons: Takes all day to charge, but that's to be expected when you're carrying around enough power to jump start a few cars.

Other Thoughts: I bought this thing off Newegg during a Sale. Greatest buy and I normally get everything I order within 2-4 days with free shipping. It came in time before the camping trip. Two of my friends and I got into Vaping and we wanted to use our vapes while out adventuring. Anyway with the DC output we were able to recharge our 18650 batteries a few times (using a charger with a detachable DC input port), our phones and iPods. When I got home It still had 6% battery life left. Considering when it came in the mail it only had 83% power and I took it with me like that. It did pretty well.

This thing actually fits in my pocket. Granted I wear those Carpenter jeans with the large pockets and several other side pockets on them. They still fit. I was able to charge my smaller 800Mah vape through one of the USB ports and my iPod as we walked through the mountains. Its nice knowing if something starts dying I can hook up 3 different devices at once to charge them.

However, I think hooking up 2 or more devices at a time drains the battery faster than charging each device individually. I've been too lazy to do a test though.

It just feels like it wastes a bit more power when its charging several things at a time. It could just be me though.

3 out of 3 people found this review helpful. Did you? Yes No

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Item#: N82E16875968030
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