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WERAN 495-510W Residential Back Contact Solar Panel – OEM Double-Glass Rooftop PV Module for Distributors and Installers

  • Bifacial, HBC Back Contact, N-type
  • Up to 25.0%
  • 495-510 Wp
  • 23.5 kg

▶ Premium bifacial dual-glass module designed for high-end residential solar roofs

▶ HBC back-contact cell technology delivers up to 25.0% module efficiency

▶ Compact 1800×1134 mm format provides more power from limited roof space

▶ Enhanced anti-shading and localized-overheating protection improves system safety

▶ Dual-glass structure and butyl rubber sealing support longer module life

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  • Technology Bifacial, HBC Back Contact, N-type
  • Power Range 495-510 Wp
  • Region China
  • Weight 23.5 kg
  • Product Warranty 30 Years
  • Power Warranty 1 Years of 99 %, 30 Years of 88.85 %
  • Panel Efficiency 24.3%-25.0%
  • Dimension 1800×1134×30 mm
  • Glass Dual Glass, 2.0 mm coated tempered glass + 1.6 mm semi-tempered glass
  • Temperature Coefficient of Pmax -0.240 %/°C
  • Cell Orientation108 (6×18)
  • Frame Black anodized aluminum alloy frame
  • Junction Box IP68
  • Output Cable 4 mm², +400 / -200 mm or ±1200 mm, customizable length
  • Temperature Coefficient of Voc -0.210 %/°C
  • Temperature Coefficient of Isc +0.050 %/°C
  • Maximum System Voltage DC1500V
  • Maximum Series Fuse Rating 30A
  • Operational Temperature -40°C ~ +85°C
  • Power Output Tolerance 0 ~ +3%
  • Front Side Maximum Static Loading 6000Pa
  • Rear Side Maximum Static Loading 3600Pa
  • Hailstone Test 25 mm hailstone at 23 m/s
  • Fire Rating IEC Class C

  • HBC back-contact cell technology for premium residential solar applications

  • Up to 25.0% module efficiency for more power from limited roof space

  • Bifacial dual-glass design for additional rear-side energy gain

  • No front gridlines for a clean and elegant rooftop appearance

  • Enhanced anti-shading and localized-overheating protection

  • 6000Pa front-side and 3600Pa rear-side mechanical load resistance

  • Butyl rubber sealing for improved water resistance and longer module life

  • 30-year product warranty and 30-year linear power warranty
WERAN 495-510W Residential Back Contact Solar Panel – OEM Double-Glass Rooftop PV Module for Distributors and Installers

Additional Value
30-Year Power Warranty

Mechanical Parameters

Cell Orientation 108 (6×18)
Junction Box IP68
Output Cable

4mm², +400, -200mm/±1200mm

Length can be customized
Glass

Double glass

2.0mm semi-tempered glass+1.6mm semi-tempered glass
Frame Black anodized aluminum alloy frame
Weight 23.5kg
Dimension 1800×1134×30mm
Packaging 36pcs per pallet / 216pcs per 20’GP / 864pcs per 40’HC

Electrical Characteristics
STC: AM1.5 1000W/m² 25°C Test uncertainty for Pmax: ±3%

Module Type

LR7-54HJD-495M

LR7-54HJD-500M

LR7-54HJD-505M

LR7-54HJD-510M
Testing Condition STC STC STC STC
Maximum Power (Pmax/W) 495 500 505 510
Open Circuit Voltage (Voc/V) 41.25 41.35 41.45 41.55
Short Circuit Current (Isc/A) 15.19 15.30 15.41 15.52
Voltage at Maximum Power (Vmp/V) 34.07 34.17 34.27 34.37
Current at Maximum Power (Imp/A) 14.53 14.63 14.74 14.84
Module Efficiency(%) 24.3 24.5 24.7 25.0


Electrical characteristics with different rear side power gain (reference to 505W front)
Pmax / W Voc / V Isc / A Vmp / V Imp / A Pmax gain
530 41.45 16.18 34.27 15.47 5%
556 41.45 16.95 34.27 16.21 10%
581 41.55 17.72 34.37 16.9 15%
606 41.55 18.49 34.37 17.63 20%
631 41.55 19.26 34.37 18.37 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
Fire Rating IEC Class C

Mechanical Loading
Front Side Maximum Static Loading 6000Pa
Rear Side Maximum Static Loading 3600Pa
Hailstone Test 25mm Hailstone at the speed of 23m/s

Temperature Ratings (STC)
Temperature Coefficient of Isc +0.050%/°C
Temperature Coefficient of Voc -0.210%/°C
Temperature Coefficient of Pmax -0.240%/°C

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About Us
Weran Solar Co., Ltd.
Weran Solar Co., Ltd.

Weran Solar Co., Ltd. (WERAN) is China Wholesale WERAN 495-510W Residential Back Contact Solar Panel – OEM Double-Glass Rooftop PV Module for Distributors and Installers Company and WERAN 495-510W Residential Back Contact Solar Panel – OEM Double-Glass Rooftop PV Module for Distributors and Installers Authorized Dealer, founded in 2015 and headquartered in Shanghai, is a global new energy enterprise specializing in the research, development, and application of intelligent solar power generation systems. We integrate product design, manufacturing, sales, installation, and maintenance, delivering reliable and competitive solar solutions to customers worldwide.


Internationally, WERAN supplies high-quality photovoltaic modules to solar projects and distributors across multiple countries — including, but not limited to, Tier 1-equivalent panels with outstanding cost-performance ratios. Leveraging first-hand access to China’s photovoltaic supply chain, we ensure both quality and competitiveness. In the domestic market, our business also covers solar module manufacturing and EPC contracting for new energy projects.

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