... .Excellent quality 5.Acc poly solar panelHigh-efficiency silicon solar cells, more power in peak hours through cellsOptimized module performance with ... /18/12V DCBypass diodes to avoid hot-sot effect, solar cells are embedded in a sheet of PET and EVA3.2mm ... with convenient mounting-access, for high wind-pressure and snow-load.The backside frames are equipped with drainage holes. So we ...