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  • Overall Rating: 4
  • Price: 5
  • Quality: 4
  • Ease Of Use: 4
  • Usefulness: 4
A little bulky but simply does the job. – Solar / USB Powered 1250mAh External Battery Silicone Back Case for iPhone 4 / 4s - Black Reviews

posted by istvan.jablonkai on 05/02/2012 Certified Owner

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

Fitting perfectly on my iPhone 4. Feels of course a little bulky but this is it. The solar cells are charging the built-in battery. (very weak charging inside your house but much better outside in direct sunlight). There is a switch at the bottom of the device then which you have to switch on when your phone's battery has run down so it will be then charged from the battery case.
No manual was attached, also I did not receive any usb cable which was included on the photos. Anyway this is not a problem.
The best solution for hikers and people who are often out in the nature to stay connected with the civilization:)
If you really need it - go for it.


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