I4U has posted a review of the Devotec Solar Charger that contains an internal 1800mAh battery and its solar panels have a 15% maximum efficiency. Output voltage is 5 to 6V and the output current is 350 to 800mA. Devotec says that to charge the battery completely by solar power takes about 12 hours and by USB or AC power takes about 4 hours. The device is 95x43x10mm in size.

Pros: Easy to use, Works well, Multiple tips to charge different devices
Cons: Solar charge time is slow

Verdict: It's very hard to fault the Devotec Solar Charger thanks to its low cost and cheap shipment worldwide. If the solar recharge was faster it would be perfect. As it is the device can charge many of the gadgets you already have in your home and keep them running so long as you have time and sunlight.