Worlds First Solar Battery for iPhone 4

The Green Power Solar Battery Pack (GP400is), is a rechargeable 1800mAh battery pack and protective crystal case.
The GP400is stores energy from solar energy, but can also hold a charge from a wall outlet or a computer's USB port. It is a great solution for those who are always on the run and away from an outlet to recharge an iPhone 4. 

Major Features

* The Solar Cells are 125 Mono(A) with 4 Blue LEDs indication levels.
* Mini USB connection port for rapid charging before day trips.
* Integrated UV coated Polycarbonate Crystal Protection Case.

Tech Specs

* Convenient Solar Charging.
* Easy Sync. & Mini USB Charging (cable included).
* Battery Level LED Display.
* Ergonomic Design.

Capacity: Lithium-Polymer 1,800mAh
Charging time: ~4 hrs

Battery Life:
* Standby: 220 hrs
* Audio/Video Playback about15 hrs 
* Talk time: 7.5 hrs