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WERAN 640-670W HPBC 2.0 Bifacial Solar Panel – OEM Back Contact Double-Glass PV Module for Utility and EPC Projects
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Power Range640-670Wp
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Weight32.5 kg
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Product Warranty15 Years
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Dimension2382×1134×30 mm
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 HPBC 2.0 back-contact cell technology
 N-TaiRay wafer platform for enhanced cell reliability
 0BB busbar-free design for improved current collection and cleaner module appearance
 A+ anti-shading capability to reduce energy loss under partial shading
No front gridlines for better light absorption and premium aesthetics High-transparency low-reflection glass for improved anti-glare performance Up to 24.8% module efficiency and 670 W high power output  Dual-glass bifacial design for higher lifetime energy yield
Additional Value
30-Year Power Warranty
Mechanical Parameters | Cell Orientation | 144 (6×24) | | Junction Box | IP68, three diodes | | Output Cable | 4mm², +400, -200mm/±1400mm Length can be customized | | Glass | Dualglass, 2.0+2.0mm semi-tempered glass | | Frame | Anodized aluminum alloy frame | | Weight | 33.5kg | | Dimension | 2382×1134×30mm | | Packaging | 36pcs per pallet
144pcs per 20'GP / 720pcs per 40'HC |
Electrical Characteristics
STC: AM1.5 1000W/m² 25°C NOCT: AM1.5 800W/m² 20°C 1m/s Test uncertainty for Pmax: ±3% | Module Type | LR7-72HVD-640M | LR7-72HVD-645M | LR7-72HVD-650M | LR7-72HVD-655M | LR7-72HVD-660M | LR7-72HVD-665M | | Testing Condition | STC | NOCT | STC | NOCT | STC | NOCT | STC | NOCT | STC | NOCT | STC | NOCT | | Maximum Power (Pmax/W) | 640 | 487 | 645 | 491 | 650 | 495 | 655 | 499 | 660 | 502 | 665 | 506 | | Open Circuit Voltage (Voc/V) | 54.02 | 51.34 | 54.12 | 51.43 | 54.22 | 51.53 | 54.32 | 51.62 | 54.42 | 51.72 | 54.52 | 51.81 | | Short Circuit Current (Isc/A) | 14.98 | 12.03 | 15.06 | 12.1 | 15.14 | 12.16 | 15.22 | 12.22 | 15.3 | 12.29 | 15.35 | 12.33 | | Voltage at Maximum Power (Vmp/V) | 44.67 | 42.45 | 44.77 | 42.55 | 44.87 | 42.64 | 44.97 | 42.74 | 45.07 | 42.83 | 45.17 | 42.93 | | Current at Maximum Power (Imp/A) | 14.33 | 11.49 | 14.41 | 11.55 | 14.49 | 11.61 | 14.57 | 11.68 | 14.65 | 11.75 | 14.72 | 11.8 | | Module Efficiency(%) | 23.7 | 23.9 | 24.1 | 24.2 | 24.4 | 24.6 |
Electrical characteristics with different rear side power gain (reference to 665W front)
| Pmax /W | Voc/V | Isc /A | Vmp/V | Imp/A | Pmax gain | | 688 | 54.32 | 15.98 | 44.97 | 15.3 | 5% | | 721 | 54.32 | 16.74 | 44.97 | 16.03 | 10% | | 755 | 54.42 | 17.5 | 45.07 | 16.76 | 15% | | 788 | 54.42 | 18.26 | 45.07 | 17.48 | 20% | | 821 | 54.42 | 19.03 | 45.07 | 18.21 | 25% |
Operating Parameters| Operational Temperature | -40℃ ~ +85℃ | | Power Output Tolerance | 0 ~ 3% | | Maximum System Voltage | DC1500V (IEC) | | Maximum Series Fuse Rating | 30A | | Nominal Operating Cell Temperature | 45±2℃ | | Protection Class | Class II | | Bifaciality | 70±5% | | Fire Rating | UL Type 29
IEC Class C | |
Mechanical Loading| Front Side Maximum Static Loading | 5400Pa | | Rear Side Maximum Static Loading | 2400Pa | | Hailstone Test | 25mm Hailstone at the speed of 23m/s |
Temperature Ratings (STC)| Temperature Coefficient of Isc | +0.050%/°C | | Temperature Coefficient of Voc | -0.200%/°C | | Temperature Coefficient of Pmax | -0.260%/°C |
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