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  • Overall Rating: 4
  • Price: 3
  • Quality: 4
  • Ease Of Use: 4
  • Usefulness: 3
Good toy for one time – Dynamo Hand-Crank Cell Phone Emergency Charger Reviews

posted by borninleningrad on 04/01/2011 Certified Owner

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

- Charges anything you want
- Has plenty of connectors
- Takes too much effort
- Too small for my hands to be convenient
I bought it as a backup for hiking but never actually needed it. It works OK, I checked it with a multimeter and it can actually charge the phone but you need to rotate the handle fast which is difficult due to its size. And you need to rotate it for, like, half an hour.
Think twice whether you really need it. Maybe a backup charger on batteries is a better choice.


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