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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 HT72-156M-4BB-315 HT72-156M-4BB-320 HT72-156M-4BB-325
Maximum Power at STC (Pmax) 315W 320W 325W
Open circuit voltage(Voc) 45.3V 45.5V 45.7V
Optimum Operating Voltage (Vmp) 37.5V 37.9V 38.3V
Short-Circuit Current(Isc) 9.00A 9.07A 9.14A
Optimum Operating Current(Imp)  8.40A 8.45A 8.49A
Cell Efficiency      
Module Efficiency 16.2% 16.5% 16.7%
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 230W 234W 238W
Open Circuit Voltage (Voc) 41.0V 41.2V 41.4V
Maximum Power Voltage (Vmp) 34.0V 34.3V 34.7V
Short Circuit Current(Isc) 7.27A 7.32A 7.38A
Maximum Circuit Current (Imp) 6.78A 6.82A 6.85A
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 72(6*12)
Dimensions 1956*992*50mm (77.0*39.1*1.97in)
Weight 27.0kg(59.5 lbs)