156mm polycrystalline solar cell

A grade poly high efficiency solar cell with cheap price .two busbar or three busbar is available

Cell type
156*156mm polycrystalline solar cell
Size
156x156mm ±0.5mm
Thickness
220 um
+
20 um
Area
243.36 mm
2
Crystal Growth Technique
Ingot
Crystal Orientation
Grain
Crystal Type
Multi Crystalline
Dupont Species
Boron, P Type
Cell Shape
Square
Front
(-)1.5mm busbar(Ag), Silicon nitride
BACK
(+) 3.5 mm busbar(Ag/AL), colsed aluminium BSF
Cell visual appearance
Non uniform dark blue ( Silcon Nitride AR coating)
Typical Cell Electrical properties
high efficiency 15.6%-17.8%
Mechanical properties:
No cracks, good bussbar appearance