... 24AH 3,can operate 12-15Hrs by battery 4,with controller solar fan1, 12V, or 100V-240V voltage 2, Power:22W3 ... :632*550*30mm 3,Weight:4kg 4,Maximum Power Voltage:17.2vmp 5,Maximum Power Curren:2.32imp 6,Open-circuit ... ,Weight:7.8kg 4,Duration time:10-12HRScontroller1,solar charge controller:12V,10A 2,size:133×70×34mm 3,Net Weight ... on. 2012 HOT SELL PRODUCTS : 22W 16'' Solar fan with controller