Solar cell

156mmx156mm ploy-crystalline cell
Efficiencies up to 16.2%
Dimensions: 156mmx156mm± 0.5mm
Diagonal: 220mm± 1.0mm(round chamfers)
Thickness(si): 220μ M± 20μ M or 240μ M± 20μ M
Front surface: Blue silicon nitride antireflective coatings 2mm-width silver contact on silicon nitride
Back surface: Full-surface aluminium back-surface filed 4mm-width siliver aluminium back contact strip.