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Powerex Electronics Co., Ltd. > 
Item#: 9SIA1VC0M17935

PowerWalker 7200mAh Rechargeable Portable Battery w/ Dual Output, LED Indicators - Black

  • Smart phone, iPad/iPhone/iPod, tablets, GPS, bluetooth headset, MP3/MP4 players and other devices which can be charged via 5V USB interface.
  • Li-Ion
  • 5V USB Output
  • 5V/1A & 5V/2.1A dual output

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  • Warranty & Returns
  • Reviews

Learn more about the Powerex Electronics Co., Ltd. E7200

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Customer Reviews of the Powerex Electronics Co., Ltd. E7200

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  • Andrew K.
  • 8/8/2013 4:25:56 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGood Capacity, Decent Output

This review is from: PowerWalker 7200mAh Rechargeable Portable Battery w/ Dual Output, LED Indicators - Black

Pros: 1) 7,200 mAh @ 3.7v. Converted to 5v is approximately 4000 mAh @ 5v.
2) 1 A output for one port and 2 A output for other port (if used exclusively).
3) LED indicator of remaining capacity

Cons: Requires a micro USB connector for charging?

It's pretty common now, but it would have been nice to have been a mini USB instead.

Other Thoughts: Keep in mind that you will need a USB charger capable of outputting at least 700 mAh I'd recommend a USB charger with at least 2 A output to ensure a quicker charging of the battery pack. Otherwise, it'll take ~5 hours to charge the battery pack from 5% to 100% using a 1 A output charger.

As you're probably aware by now, when both ports are in use together, each port only puts out 1 A each.

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