en156p220

3 busbar, 18% effeciency, low degradation Physical CharacteristicsDimensions156mm×156mm±0.5mmDiagonal220mm±0.5mmThickness(Si)180μm±20μm; 200μm±20μmFront surfaceBlue silicon nitride antireflective coatings1.5mm-width silver contact on silicon nitrideBack surfaceFull-surface aluminium back-surface field3mm silver discontinuous soldering padsFeatures and Quality Control Each of Econess’s solar cells ...