... light 5) Save energy 1) Body material: Aluminium 2) LED power: 0.4 W, Using high light & long-lived ... conversion rate is 17%), 4) Charging voltage: 2-5V, 5) Charging up powder current: 10-500 mAh, depends on ... mAh, 7) Working voltage: DC3V, 8) Charging time: 2 days for cloudy weather, 9) Working time: 6-8 hours ... a day, can work 2-3 days in the rainy day after fully charged, ...