DX  » Community » Reviews » Portable Dual USB "20000mAh" External Battery Power Bank w/ Adapter for GALAXY S4 / i9500 + More
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  • 5 Star:6918 (69%)
  • 4 Star:318 (31%)
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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good product

    posted by KLcoolboi on 12/02/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:less than 1 day

    Pros:
    - It is build quite well, doesn't feel like it's made up cheap plastic. - Comes with multiple adapters so you can charge various devices - two USB output with 2.1A and 1A, good for phones and also tablets with larger batteries - can charge two devices at th...
    Cons:
    - It's a bit heavy, but can't expect a battery to hold a large charge without having a good amount of weight to it - not exactl...
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    great product

    posted by vdan00 on 11/26/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    great if you are leaving, but need to charge a device. good capacity. comes with extra adapters one of which i used to charge an old phone. pretty cool.
    Cons:
    misadvertised capacity. have to find a mini-USB cable and charger in order to charge this. It doesn't come with a mini-USB cabl...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Sturdy, Portable, Works like a Charm. A must have!

    posted by JohnEBH on 11/07/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Holds 20000mAh - Even if it doesn't, it's definitely still plenty for my uses Cheap - You can't go wrong for ~$25 Well Build - It doesn't feel cheap for the price
    Cons:
    None that I could really find.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Sturdy, Portable, Works like a Charm. A must have!

    posted by JohnEBH on 11/07/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Holds 20000mAh - Even if it doesn't, it's definitely still plenty for my uses Cheap - You can't go wrong for ~$25 Well Build - It doesn't feel cheap for the price
    Cons:
    None that I could really find.
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Very good backup battery

    posted by xXXXx13 on 10/27/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Good capacity, good build quality and good price. Can charge 2 devices at 1 time. Blue LED light tells you how much capacity you have left. The first is for 2.1A and the other for 1A.
    Cons:
    A little heavy to carry around. It does not come with a charger so do get one if you don't have a spare one. It also come up 1 ...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Easy to use

    posted by indianblood on 10/10/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Good product good capacity. Gives my 2000 mah phone greater than 3 full recharges. The extra port helps to share with friends.
    Cons:
    Takes while to charge. Battery capacity seems to be gradually Decreasing. The quality of the supplied connectore cables is not ...
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Useful and high quality!

    posted by volron on 10/09/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    You can go out for a walk or wherever possible, without worrying about the phone's battery! You can always count on to fill the battery charger! No need to load a lot because he has to fill time! Holds over time! Useful!
    Cons:
    I found no real disadvantages, except the cost of the product, if it were possible to find the most affordable product ...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Best backup battery

    posted by nothrem on 09/11/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    - Can charge 2 devices at once using 2 USB ports. - Can charge really fast thanks to 1A port (for cell phones, MP3, etc.) and 2.1A ports (tablets, iPad, etc.). - Can be charged while still charging a device. - You can chech charge thank to a button and 4 LEDs.
    Cons:
    - Weights more than 300 grams so you can't just wear it in your pocket. - USB ports are upside-down from what you would expect....
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Very good

    posted by cinthiaduarte on 08/04/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Excellent product. The case has a good quality of plastic. Is necessary have an charger of minimum 10W of power to charge complete the external batterie.
    Cons:
    The adapters with become togheter are not with a good quality, if you have yours original, is more indicated to use that. The w...
    View Detail » 
    • Overall Rating: 4
    • Price: 3
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Great useful product.

    posted by batdx on 07/03/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    With the two outputs can easily charge my tablet and my smartphone. Especially if I'm in places that it is sometimes difficult to get a place to charge them or do not have electricity nearby.
    Cons:
    Should come with a power cable to charge the main battery. When you need to charge the external battery you can not do it witho...
    View Detail » 
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