solar light Application: Home lighting:remote area, mountainous area, desert area, grassland area, village, country area, camping, outdoor activities, travelling, lighting at night, USB Connection to charge mobiles, MP3, MP4, Camera etc Charging method for solar light : 1.Move the "AC/OFF.DC" button of the LED light towards "OFF/DC" position and plug into the 220V socket, it will not only charge if electric power is ON. 2.The switch to the OFF/DC position, use the 2W solar panel connect to LED lamp's charging hole. The specific charging time depend on the intensity of the sun. Parameter of solar light No Index Parameter 1 Lighting power supply DC/AC 2 AC 200-245/50-60HZ 3 AC Power 2.3W 4 Built-in battery capacity 2000MA/H Lithium battery 5 DC lighting time >7 hours 6 Applicable environment temperature +50°C/-30°C 7 LED specifications 5MM straw hat highlighted white LED 8 LED quantity 22 pieces 9 LED color temperature 5700-6500K 10 LED lifespan 50000 hours 11 Luminous flux 90-120LM 12 Lamp base E27 13 Material ABS+PS 14 Solar panel supply voltage 6V 15 DC output voltage 5V