... solar energy : No MOQ High efficiency >16% A grade solar cell CE,IEC ,ISO. solar energy ,solar energy price ,solar energy panel Applications: 1.Large on and off-grid solar ... to avoid hot-spot effect. e) The backside of frames is equipped with drainage holes in order to eliminate ... ) 5 years warranty for solar panel, materials and corresponding fittings;2) 90% output of rated power after 10 years ...