4.14w GradeA Monocrystalline Silicon Solar Cell 156*156

silicon poly solar cells
a.High and stable efficiency
b.Excellent quality(4w)
c.25-year warranty
d.Environment-friendly
Mechanical data and design
Format 156 mm × 156 mm ± 0.5 mm
Thickness 190 μm ± 20 μm
Front (-) 1.8 mm bus bars (silver), blue anti-reflection coating (silicon nitride)
Back (+) 3 mm wide soldering pads (silver), back surface field (alunimium)
Temperature coefficients
Voc. Temp.coef.%/K -0.346%/K
Isc. Temp.coef.%/K +0.036%/K
Pm. Temp. coef.%/K -0.47%/K
Product characteristics
a. High and stable efficiency in photovoltaic conversion
b. IC level cleaning effect and unique texturing recipe improve yield and conversion
c. Advanced diffusion technique ensures the uniformity of cell performance
d. High quality silver and silver-aluminium paste ensure higher pulling strength and improved soldering easiness
e. Low degradation under light exposure