Solar fan 1,12V,or 100V-240V voltage 2,Solar panel:40W;Battery:12V 24AH 3,can operate 12-15Hrs by battery 4,with controller solar fan1, ... 8,Maximum System Voltage:1000VDC 9,Number of Cells:36Battery1,Battery:12V,24Ah 2,Dimensions :,181*174*166*126mm 3, ... light, ceiling light, spot light ,bulb light series. LED solar light series and so on. 2012 HOT SELL PRODUCTS : 22W 16'' Solar fan with controller