portable solar system,portable solar energy,mini solar system msl05-04 Environmental protection ... efficiency C portable solar system,portable solar energy,mini solar system msl05-04Features:Off-grid power system ... galvanized steel,1.5mm thicknessmodelVacuum tubeAbsorbing area capacityWater tank diameterVolume(m3)Loading quantity20GP40GP40HQOuter tankInner tankXWJ5818-15-128L58X1800X15pcs1. ...