Product Advantage: 1.stable,high-efficient exchange rate 2.good consistency,stable technique 3.good matching attribute. Type: Esol-S156-D200-BB3Specification: 156mm×156mmFront Busbar: 1.50mmBack Busbar: 2.80mmThickness:220um,200um,180um,160umDignol length:200mmMonocrystalline silicon solar cell exchange rate scale:17%-18.5%power scale:2.52-4.41W