2400mAh Solar Powered External Battery for iPhone 4 cell phone (White)

- Excellent for long trips and as an emergency backup when your iPhone's battery drains on the go
- 2400mAh built-in rechargeable battery
- Input: DC5V/500mA
- Output: DC5V/500mA
- Built-in solar power panel for recharging the battery
- Compatible with iPhone 4
- USB data cable included