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High Effiency Modules


Our cells are produced with nanotechnology-based silicon ink and processing platform to ensure the highest quality cells. With the help of precise screen printing technology and a strong R&D team, our solar cells boast a high conversion rate above the industry average.

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Specification HT50-156M-4BB-215 HT50-156M-4BB-220 HT50-156M-4BB-225
Maximum Power at STC (Pmax) 215W 220W 225W
Open circuit voltage(Voc) 31.8V 32.0V 32.2V
Optimum Operating Voltage (Vmp) 25.5V 25.8V 26.1V
Short-Circuit Current(Isc) 9.05A 9.12A 9.19A
Optimum Operating Current(Imp)  8.44A 8.54A 8.63A
Cell Efficiency      
Module Efficiency 15.7% 16.1% 16.5%
Power Tolerance 0~+5W
Maximum System Voltage 1000V DC (IEC)/ 600V DC(UL)
Maximum Series Fuse Rating 15A
Operating Temperature -40°C to +85°C
STC:lrradiance 1000W/m2;module temperature 25°C;AM=1.5
Nominal Peak Power 157W 161W 165W
Open Circuit Voltage (Voc) 28.8V 29.0V 29.2V
Maximum Power Voltage (Vmp) 23.1V 23.5V 23.9V
Short Circuit Current(Isc) 7.31A 7.36A 7.41A
Maximum Circuit Current (Imp) 6.81A 6.86A 6.91A
NOCT 45±2℃
NOCT:lrradiance 800W/m2;ambient temperature 20°C;AM=1.5,wind speed 1m/s
Mechanical Characteristics  
Solar Cells Monocrystalline 156*156mm
No.of Cells 50(5*10)
Dimensions 1640*834*40mm
Weight 14.0kg