Multifunction:Other than charging, the digital charger can also be used as a FM radio, flashlight .
CE&ROHS

Solar Charger

*Multifunction:Other than charging, the digital charger can also be used as a FM radio, flashlight and ultraviolet light.

Speculations:
1. Solar panel specification: multi-crystalline silicon , 5.5V/110mA
2. The built-in rechargeable polymer lithium ion battery: 1900Mah/3.7V
5. Output voltage: 5.5V/9V
5. Output current: 350 - 1000mA 
6. Input voltage: 4.5V-5.5V
6. Input current: 350-500mA  
7. Dimension: 93*62*14mm
8. Time for charging the built-in battery through solar energy: about 17 hours
9. Time for charging the built-in battery through DC: about 3.8 hours