1,CE,GS Certificate; 2,High efficiency:16%; 3.Offer 0.5W-320W PV solar ... mono or poly. J-SM50 Solar battery panel1.Steady photovoltaic;2.High efficiency:17%;3.Offer 0.5W-320W PV solar ... panel with mono and poly;4.CE,GS Certificate;5.25 years lifetime,10 years warranty.Output powerDimensionWorking ...