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UNU Black 14000 mAh Enerpak Extreme Dual USB 2.1A Universal Battery Pack for Smartphones and Tablets UNU-EP-02-14000BS
  • 1.0A / 2.1A
  • Immense Battery Life
  • Packed solid with power, the Extreme's 14000mAh battery can charge your favorite products over and over on a single charge!


Sleek looking
Bright power-remaining lights
Flashlight capability.
A 2.1 amp port for fast charging of tablets.
Dual ports, so two devices can be charged at the same time.
Fairly light weight (12 ounces?).
Comes with a USB cable.
1400mAh, which is enough for 6 cell charges or two fully dead tablet charges.
Relatively fast recharge of the battery. It took under 3 hours.
Flashlight is only triggered when button is depressed for about 4 seconds. That minimizes accidental turn-Ons while it's bouncing around in my pack.


Flashlight isn't bright (but it's not intended to be... it just aids in connecting wires in the dark, so it's not really a negative.
It's not water resistant (but what battery extender is??).

Other Thoughts:

I purchased this battery extended for a trip to remote areas of Central America. I'm a freelance project manager and needed the power for my tablet (just incase). No one seemed to mention its size and weight. So, here it is: 5"x3"x1" and I'd guess it's about 11 ounces. I'm putting it in my backpack and didn't find it's weight objectionable. It has a solid feel to it (not frail and nothing juts-out).

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  • Michael K.
  • Verified Owner
  • Owned For: 1 day to 1 week

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