Solar Home Lighting Kit. Material: ABS. Wattage: 18V 10W. Solar Panel size: 215 x 130mm. Product size: 210 x 250 x 105mm. Battery Capacity: 12V 7000mah. USB: Output 5V, 10 changeover heads can provide mobile phone, MP3, MP4, PSP, Cameras and other charge. 4 x 5W Led Bulb 1 Lamp can light up to 40 45 hours, 2 Lamps can light up to 24 30 hours, 3 Lamp can light up to 16 20 hours and 4 Lamp can light up to 14 18 hours.