... )Certificate:ISO,CE,ROHS,IEC,TUV. 4)OEM accepted solar cell 1)Full automatic welding equipment. 2)Quality insurance ... :ISO,CE,ROHS,IEC,TUV. 4)OEM accepted.solar cell Efficiency(%)Pmpp(W)Umpp(V)Lmpp(A)Uoc ... 1.9mm bus bars(silver) ,blue anti-reflecting coating (silicon nitnde)9000.90.9965000.50.968Back (+) 3mm wide soldening ... subject to our final confirmation. Poly crystalline silicon solar cell