WERAN 640-670W Back Contact Solar Panel – OEM High-Efficiency Single-Glass PV Module for Distribution and Commercial Projects
Power Range640-670 Wp
Weight28.5 kg
Product Warranty15 Years
Dimension2382×1134×30 mm
Cell Number144
HPBC 2.0 back-contact cell technology
Up to 670 W high power output for C&I rooftop systems
Up to 24.8% module efficiency for higher energy density
Single-glass structure with lower module weight
No front gridlines for premium visual appearance and better light absorption
Lower operating temperature under real-world rooftop conditions
Suitable for commercial rooftops, industrial buildings, and distributed solar plants
15-year product warranty and 30-year linear power warranty
Additional Value 30-Year Power WarrantyMechanical Parameters
Cell Orientation 144 (6×24) Junction Box IP68, three diodes Output Cable 4mm², +400, -200mm/±1400mm
Length can be customized
Glass Single glass, 3.2mm coated tempered glass Frame Anodized aluminum alloy frame Weight 28.5kg Dimension 2382×1134×30mm Packaging 36pcs per pallet 144pcs per 20'GP / 720pcs per 40'HC
E lectrical Characteristics STC: AM1.5 1000W/m² 25°C NOCT: AM1.5 800W/m² 20°C 1m/s Test uncertainty for Pmax: ±3%
Module Type LR7-72HVH-640M LR7-72HVH-645M LR7-72HVH-650M LR7-72HVH-655M LR7-72HVH-660M LR7-72HVH-665M LR7-72HVH-670M Testing Condition STC NOCT STC NOCT STC NOCT STC NOCT STC NOCT STC NOCT STC NOCT Maximum Power (Pmax/W) 640 487 645 491 650 495 655 499 660 502 665 506 670 510 Open Circuit Voltage (Voc/V) 53.7 51.04 53.8 51.13 53.9 51.23 54 51.32 54.1 51.42 54.2 51.51 54.3 51.61 Short Circuit Current (Isc/A) 15.13 12.15 15.21 12.22 15.29 12.28 15.37 12.34 15.45 12.41 15.52 12.47 15.6 12.53 Voltage at Maximum Power (Vmp/V) 44.36 42.15 44.46 42.25 44.56 42.35 44.66 42.44 44.76 42.54 44.86 42.63 44.96 42.73 Current at Maximum Power (Imp/A) 14.43 11.56 14.51 11.63 14.59 11.69 14.67 11.76 14.75 11.82 14.83 11.88 14.91 11.94 Module Efficiency(%) 23.7 23.9 24.1 24.2 24.4 24.6 24.8
Operating Parameters Operational Temperature -40℃ ~ +85℃ Power Output Tolerance 0 ~ 3% Maximum System Voltage DC1500V (IEC) Maximum Series Fuse Rating 25A Nominal Operating Cell Temperature 45±2℃ Protection Class Class II Fire Rating 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