solar charger for laptop/notebook

It is convenient for you to take with when you are out on business, on travel, on a long-distance bus or ship, in the fieldwork, etc. It is a portable, environmental-friendly, light-weight, flexible, durable and versatile charging product.
Characteristics:
1.Peak power supplied by photocell: 1.54W
2.Battery capacity: 2800mAh
3.Output voltage: 4.5V-9V (adjustable)
4.Charging time: 8-10 hours (illuminating scope: 100mW /Cm2) 3-4 hours (indoor power: 5V /500mA)
5.Discharging time: 2.5 hours (the output: 5V /500mA)
welcome to inquiry for more details.our price is cometitive.