DX  » Community » Reviews » Dynamo Hand-Crank USB Cell Phone Emergency Charger
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  • 5 Star:3250 (32%)
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  • 2 Star:58 (5%)
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94% of customers would recommend this product to a friend.

    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    PORTABLE EMERGENCY DYNAMO

    posted by ClairtonAC on 07/09/2014 Certified Owner

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

    Pros:
    The material is very sturdy, has an LED that indicates when something is being recharged, has a carrying handle, small and handy and can be brought anywhere.
    Cons:
    Might have in other colors, both the material and the color of the LED. For loads emergency works, but for long loads even bett...
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    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Good gadget for emergency situations

    posted by skullzao on 06/06/2014 Certified Owner

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

    Pros:
    It is a very nice gadget. this dynamo hand-crank usb charger works fine with my s3 mini and with an older cellphone. Perfect for emergency situations and for camping. I always bring this with me when I am camping. Price is cheap if we compare to benefits.
    Cons:
    Unfortunately doesn't geranates enough power to charger my s3 or ipad 3rd generation.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Excellent gadget

    posted by hudsonalves on 05/29/2014 Certified Owner

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

    Pros:
    It is very small and easy to carry in suitcases and handbags. The operation is also good. Easily charges batteries for small devices.
    Cons:
    completely doenst work. I tried everything, all kind of different mobile phones, differtent electronic things, but on none of t...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    portable charger helps out in the woods

    posted by adolf81 on 02/25/2014 Certified Owner

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

    Pros:
    1. very very small 2. helps recharging portable devices away from civilization 3. universal port USB, which is easy to choose the right cable
    Cons:
    1. because of the small size, easy to lose 2. very shaky handle dynamo 3. Housing material plastic, I would like stainless stee...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 2
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Serves

    posted by NitNesiv on 10/11/2013 Certified Owner

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

    Pros:
    It is very small and easy to carry in suitcases and handbags. The operation is also good. Easily charges batteries for small devices.
    Cons:
    Make much noise while charging the battery. The lever is a bit fágil. A gear shaft escaped, it was necessary to open to fi...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    For this price it's a must!

    posted by Azoth87 on 10/09/2013 Certified Owner

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

    Pros:
    It's cheap and it works and it douples as low power (red) flaslight. It's also quite small, so it's easy to carry with you when you're hiking or something like that. The crank is foldable so it packs quite compactly.
    Cons:
    I havn't found many cons from it. The only one so far is the crank, I'm afraid it's going to cut loose if you use just little b...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 4
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Not ordinary product...

    posted by Leks56 on 09/04/2013 Certified Owner

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

    Pros:
    Light, compact. Inner parts is well oiled with consistent grease.
    Cons:
    One of two dynamo has defects right out of the box. Middle wall inside of dynamo is broken, Superglue do the job. Plastic seems...
    View Detail » 
    • Overall Rating: 2
    • Price: 4
    • Quality: 2
    • Ease Of Use: 2
    • Usefulness: 2
    2 DXPoints
    earned for this post
    Completely doesnt work

    posted by Larske2000 on 09/01/2013 Certified Owner

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

    Pros:
    Cheap prise, dont need any high voltage anymore, easy to carry with you
    Cons:
    completely doenst work. I tried everything, all kind of different mobile phones, differtent electronic things, but on none of t...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Small but very useful

    posted by migueloma on 08/17/2013 Certified Owner

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

    Pros:
    It is a small but very useful product if one runs low, do not come to expect that you can charge to your cell hundred percent maximum load you can serve to make an emergency call
    Cons:
    The trouble is that not very good product finish and to some puento looks half weak, but the price is right relationship
    View Detail » 
    • Overall Rating: 3
    • Price: 5
    • Quality: 2
    • Ease Of Use: 5
    • Usefulness: 1
    2 DXPoints
    earned for this post
    This product is not pleasant.

    posted by zmeygeruch on 08/08/2013 Certified Owner

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

    Pros:
    - Design. - Simplicity. - Indication. - USB. - Low weight. - No alternative. - Lace at hand. - Ease of use.
    Cons:
    - Small charging current, so that the phone does not even use in an emergency. - And needed two people to use the phone in an ...
    View Detail » 
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