Voltage: 6-8V;Current: 180mA. Size: 125*60*12mm;Weight: 80g.                                               
Charge your mobile by natural sunlight
In book size, can be taken around easily
You can call and charging at the time.
Adopt high-efficiency solar cells, the life can achieve above 15 years.
You can call after 5 minutes sunlight, fully after 4 to 6 hours.