This solar charger is specially designed for iPhone. Set it in the sun so that it gets sunlight at right angle, Once it starts charging, LED light shows red. It's charged in 6-10 hours in good condition, outside and under clear sky, it take 1.5-2.5days in winter and 1 - 1.5days in summer to fully charge. Open the top and connect it with your mobile phone, it take about 15 - 25min to charge a mobile phone. If you don't have time to charge from the sun, please charge from AC adapter, it takes about 3 hours.
