1.Solar Panel, sunlight exchanged rate is about 17-18.6%.
2.Solar Panel Rated Wattage: 7W
3.Operating Voltage (Vmp): 5V; Operating Current (Imp): 1.4A (Max)
4.Charger for mobile phone or MP3 Player charging time: About within 1 Hours; (different brand and models of mobile phones has a bit differences)
5. Charger for Smart phone, GPS, USB camera charging time: within 0.8-1 hours
6. Optimal Operating Temp: 32-104F (0-40°C).
7. Folding Solar Charger Warranty: 12 Months.
8.Battery Warranty: 15 Years.