Philadelphia Solar 450W Bifacial Solar Panel | N-Type TOPCon

The Philadelphia Solar 450W Bifacial Solar Panel is a high-performance N-Type TOPCon, half-cell bifacial module engineered for long-term reliability and superior energy yield. Manufactured using advanced automated production lines, this panel is ideal for commercial, industrial, and utility-scale solar projects, as well as high-performance rooftop and off-grid systems.

With bifacial energy gain of up to 25%, excellent anti-PID performance, and extremely low annual degradation, this module delivers a lower LCOE and higher lifetime return on investment.

Key Features & Benefits

• 450W rated front-side power output

• Bifacial design delivers 5–25% additional rear-side power

• N-Type TOPCon monocrystalline cells for higher efficiency and stability

• Half-cell technology reduces shading losses and improves temperature performance

• Exceptional Anti-PID resistance through strict materials and process control

• Low annual degradation: only -0.4% per year

• Designed for harsh environments – high mechanical strength and weather resistance

• Positive power tolerance: 0 to +3%

Physical Dimensions & Weight

• Dimensions: 1722 × 1134 × 30 mm
  (67.8 × 44.6 × 1.18 in)

• Weight: 20.5 kg ±1 kg (≈ 45.2 lbs)

• Frame: Anodized aluminum (Black or Silver)

• Front Glass: 3.2 mm tempered AR-coated glass

• Back Cover: Transparent backsheet (bifacial)

Electrical Specifications (STC – 450W Model)

• Maximum Power (Pmax): 450 W

• Module Efficiency: ~20.9%

• Voltage at Pmax (Vmp): ~42.4 V

• Current at Pmax (Imp): ~10.6 A

• Open Circuit Voltage (Voc): ~50.6 V

• Short Circuit Current (Isc): ~11.5 A

• Maximum System Voltage: 1500 V DC

• Operating Temperature:

  • IEC: –40°C to +85°C

  • UL: –40°C to +90°C

Mechanical Load Ratings

• Front Load: 5400 Pa

• Back Load: 2400 Pa

• Dynamic Load: 1000 Pa

Certifications & Safety

• UL 61215 / IEC 61215

• UL 61730 / IEC 61730

• CSA C22.2 No. 61730

• Fire Classification: Type 1

• Junction Box: IP68, MC4 compatible

• Cable Length: 1200 mm (customizable)

Warranty

• 12-Year Product Warranty

• 30-Year Linear Power Warranty

  • 94.6% at Year 12

  • 87.4% at Year 30

Ideal Applications

• Commercial & industrial rooftops

• Utility-scale solar power plants

• Ground-mount systems

• On-grid and off-grid solar installations

• Projects seeking long lifespan and low degradation

Why Choose Philadelphia Solar?

Philadelphia Solar is a globally recognized manufacturer known for bankable quality, strict international certifications, and long-term reliability. The 450W bifacial N-Type module offers a strong combination of high output, durability, and extended warranties, making it an excellent choice for serious solar investments.

Document: Specification Sheet