• Model Series: JKM615N-78HL4-BDV – JKM635N-78HL4-BDV
• Power Range: 615W – 635W
• Module Efficiency: Up to 22.72%
• Cell Technology: N-Type Monocrystalline
• Bifacial Module: Yes

Electrical Characteristics (STC)

• Example – 635W Module
• Maximum Power (Pmax): 635W
• Maximum Power Voltage (Vmp): 47.86V
• Maximum Power Current (Imp): 13.27A
• Open Circuit Voltage (Voc): 57.21V
• Short Circuit Current (Isc): 13.92A
• Module Efficiency: 22.72%

Mechanical Specifications

• Cell Type: N-Type Monocrystalline
• Number of Cells: 156 (78 × 2)
• Module Dimensions: 2465 × 1134 × 30 mm
• Weight: 34.0 kg
• Front Glass: 2.0 mm Anti-Reflection Tempered Glass
• Back Glass: 2.0 mm Heat Strengthened Glass
• Frame: Anodized Aluminum Alloy
• Junction Box: IP68 Rated
• Output Cable: 4.0 mm²
• Cable Length: (+): 400 mm, (−): 200 mm or customizable

Operating Conditions

• Operating Temperature: −40°C to +85°C
• Maximum System Voltage: 1500V DC
• Maximum Series Fuse Rating: 30A
• Nominal Operating Cell Temperature (NOCT): 45 ± 2°C
• Bifacial Factor: 80 ± 5%

Temperature Coefficients

• Temperature Coefficient of Pmax: −0.29 % / °C
• Temperature Coefficient of Voc: −0.25 % / °C
• Temperature Coefficient of Isc: +0.045 % / °C

Warranty

• Product Warranty: 12 Years
• Linear Power Warranty: 30 Years
• First Year Degradation: 1%
• Annual Degradation: 0.40%
• Guaranteed Power After 30 Years: 87.4%