ize and weight: 21*12*9 inches; 2.25 LB; 600D polyester material. Solar panel: 6V, 450 mA, 3W. Powerful enough to charge middle to big size cell phones directly in sun. 3,000mAh Li-Ion battery, DC 6V/ 650 mA output. 2 hours to charge an average cell phone full. 4 hours in the sun charges the battery full. [...]