... by battery 4,with controller solar fan1, 12V, or 100V-240V voltage 2, Power:22W3, 3 speed settings ... packaging measurement:510*163*560mm40W solar panel1,Standard Output Power:40W2,Dimensions :632*550*30mm 3,Weight:4kg ... 4,Maximum Power Voltage:17.2vmp 5,Maximum Power Curren:2.32imp 6,Open- ... .8kg 4,Duration time:10-12HRScontroller1,solar charge controller:12V,10A 2,size:133×70×34mm 3 ...