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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

  • 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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Learn more about the Anker 79AN7906-BA


2nd Gen Astro Pro2
Portable Battery


Compatible Phone Manufacturer
Compatible Phone Model
For iPad Air mini, iPhone 5s 5c 5; Galaxy S5 S4, Tab 2, Note, Nexus, MOTO X, G, LG Optimus, HTC One and More


Output USB output: 4.5A (max); DC output: 9V / 2A or 12V / 1.5A

Input 12V / 2A


PowerIQ technology intelligently communicates with connected devices to maximize both compatibility and charging speed. Additional 9V or 12V port (Max speed of 4.5 Amps among 4 ports).

Ultra-high 20000mAh capacity charges an iPhone ten times, a large-capacity phone like the Galaxy S4 six times and tablets several times.

Energy efficiency rate 10% higher than the previous generation and many current standard alternatives adds additional usable power. Included 100-240V AC adapter recharges the battery in just 4-5 hours.

Aluminum construction withstands drops and bumps; slim profile easily slips in your bag. LCD screen accurately displays power level, charging status and voltage selection.

Package includes: Anker 2nd Gen Astro Pro2 20000mAh External Battery, 100 - 240V AC charger, micro USB cable, 4.3 x 1.6mm to 5.5 x 2.5mm multi-voltage cable, user manual.


4.40" x 6.60" x 0.60"

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Anker 79AN7906-BA

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

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

This review is from: 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

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.

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

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