1. Solar Panel with more than 17% energy conversion rate

2. Solar panels: 5.5V  80MA

3. Buit-in rechargeable polymer lithium battery; 1200mAh

4. Output voltage: 5.0v±0.1v

5. Output  current: 400-600mA

6. Charging time for mobile phone: About 60-90minutes (Different brands and models of mobile phone is with different chaarging time)

7. Charging time for built-in battery by Solar: 15-18 hours (depends on light intensity)

8. If a computer is used to recharge the built-in battery: 3 hours

solar charger