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MiPow Thumbox Jelly Power Black 10400 mAh Dual Output Portable External Backup Battery Charger Power Bank JOB03E-BK

  • 10400mAh high capacity battery
  • Charge 2 devices at one
  • 2.1A fast charging
  • Email this page
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Learn more about the MiPow JOB03E-BK


Thumbox Jelly Power
Portable Battery


Compatible Phone Manufacturer


10400 mAh


Two female USB port respectively output 2.1A and 1A current, support charging most mobile phones or tablets via original charging cable, and can charge two mobile phones at once.

Built-in female Micro USB to recharge Jelly Power 10400 via the supplied Micro USB charging cable.

Blue battery indicator can show the remaining battery and charging status. It has 4 LEDs, each one presents 25% capacity.

Built-in LED light can be used for emergent lighting.

Quick Info


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

Customer Reviews of the MiPow JOB03E-BK

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  • Paul R.
  • 10/11/2014 9:43:55 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWell worth purchasing for travellers

Pros: We used this extensively in Southeast Asia recently, recharging it at every opportunity overnight. It recharges two phones (a Samsung S4 and an iPhone 5 in our case) quickly. I haven't pushed it beyond that.

If you use your smartphone extensively during the day and then are off to dinners/parties/etcetera with no opportunity to recharge, this is the item for you.

It seems to recharge quickly and the form factor is pleasing and easy to use and handle, with a rubberized casing. My wife loves this item and keeps it in her purse while charging her phone.

Cons: Not really a con, and probably shouldn't be taken that way. The LED for the flashlight is small. I wouldn't want to rely on it in an emergency situation so I carry a backup flashlight. But - it's better than nothing in an emergency!

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  • YEE P.
  • 7/6/2014 12:05:54 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsValue for money!

Pros: 40 bucks to buy a 10,400 mAh portable charger is really a good bargain. Although there are a lot other choice elsewhere, I am not dare to buy a cheaper one. Safety always come first. Have tested it can charge my Nexus 5 for more than 4 times. I believe it has battery as claimed. I can use it for the whole week when I needed after having it fully charged when I received it. The charging speed is more or less the same as original charger from LG. Also, I like the silicon casing. I do not need to worry about leaving scratches on my phone when using it.

Cons: no at the moment

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