1,CE,GS Certificate; 2,High efficiency:17%; 3.Offer 0.5W-320W solar panel kit; 4.Including battery,controller and inverter. J-SM50 ... photovoltaic;2.High efficiency:17%;3.Offer 0.5W-320W solar panel kit with mono and poly;4.CE,GS Certificate;5 ... .25 years lifetime,10 years warranty.6.One solar kit including solar panels,solar charge contriller and battery.We are profession in providing ...