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Dynamo Hand-Crank USB Cell Phone Emergency Charger

Dynamo Hand-Crank USB Cell Phone Emergency Charger

2.97

4 (136 Reviews)

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  • 5 Star:3243 (32%)
  • 4 Star:5169 (51%)
  • 3 Star:1115 (11%)
  • 2 Star:57 (5%)
  • 1 Star:12 (1%)

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93% of customers would recommend this product to a friend.

    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 4
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Maybe be good in a emergency

    posted by JMauroNeto on 05/11/2013 Certified Owner

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

    Pros:
    The price is very good. If not linger so long to load, it would be better. It's a good idea
    Cons:
    takes too long to load, spent too much time rotating the crank and do not charged 1%. And it's not too easy to rotate, if you h...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Works. Kinda...

    posted by Hitsugan on 05/09/2013 Certified Owner

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

    Pros:
    Its a fun gadget. You can use it in a emergency if you don't have a power source near, but it won't work with every gadget.
    Cons:
    It takes ages to charge some stuff. If you have a smartphone you'll probably have some hard time trying to charge it, since the...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    good and cheap

    posted by juancrespi on 04/27/2013 Certified Owner

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

    Pros:
    looks like usefull (not yet) actually works and its very cheap... maybe saves you for only $2 .. we all know how we need our phone and this tool can give us some help..
    Cons:
    doesnt works on every phone at least to me i tried in four phones and works on 2 of them.. but for the price you can give a shot
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 5
    • Ease Of Use: 3
    • Usefulness: 1
    2 DXPoints
    earned for this post
    bom pra tudo menos para Iphone

    posted by jeanrods on 04/12/2013 Certified Owner

    Involvement:Novice  (still getting used to it) - Ownership:less than 1 day

    Pros:
    Produto é ótimo para quase tudo que se conecte com cabo USB
    Cons:
    pena não funcionar com Iphone :(
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Useful for our country life

    posted by zhenechka65 on 04/09/2013 Certified Owner

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

    Pros:
    Living in the country should be prepared for different events. Periodically surprises lack of electricity. This funny thing was a serious instrument to light a light bulb and a mobile phone charging. And the phone is charging! Checked! Thank you seller. Exc...
    Cons:
    found no deficiencies.
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 4
    • Usefulness: 2
    2 DXPoints
    earned for this post
    Good deal for money

    posted by grozdan33 on 04/07/2013 Certified Owner

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

    Pros:
    The price is really vert good. Also the build quality is also quite good. However it exceeded my expectations. Works as shown in the offer and really charges the device.
    Cons:
    Good for emergency but you will hardly charge a phone. You will have to wind for ages if you want to charge a phone or any othe...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 4
    • Ease Of Use: 3
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Very funny and very usefull

    posted by tecnofagia on 04/05/2013 Certified Owner

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

    Pros:
    It's very small: you can carry it around in your backpack; It's a good looking product: your friends will be curious about it; It works very well: you'll have a manual power source at hand; If you have a simple USB light, it will became a very usefull light...
    Cons:
    -Some smartphones will require more power, so this dynamo may not be enough to charge it; -It makes some noise (don't be afrai...
    View Detail » 
    • Overall Rating: 3
    • Price: 5
    • Quality: 3
    • Ease Of Use: 2
    • Usefulness: 2
    2 DXPoints
    earned for this post
    Nice gadget but not so useful

    posted by morellon on 04/04/2013 Certified Owner

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

    Pros:
    It really works and charges devices, at least some of them. In a time of distress, in the jungle, using an old nokia phone, you could talk forever. :D
    Cons:
    Its crank is made of an easily breaking plastic, so be careful when using. It takes a long, really long time to charge an Galax...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Excellent device for Pic-nics or wildlife

    posted by deoyar on 04/03/2013 Certified Owner

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

    Pros:
    Good price. Nice to have to charge usb devices. Average quality. LED displays of its charging status. It's very easy to use. Don`t need any instructions at all. Great
    Cons:
    produces little energy, a large USB speakers will not have enough power to operate perfectly (but understandable)
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    :)

    posted by piffaretti on 04/03/2013 Certified Owner

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

    Pros:
    It works! is very easy to use, u just need to spin the crank and it starts recharge you gagdet. It works fine on my Galaxy S3. there is a red light that indicates you are charging your gadget. It is tiring charge a gdget with this dynamo, but in an emergenc...
    Cons:
    You need some time to charge your cellphone, but to outdoors activities this is a good alternative to cherge you gadget
    View Detail » 
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