620W JA Solar Bifacial JAM66D45-620/L/B

Unlock maximum solar efficiency with the JA Solar 620W Bifacial Double Glass Module (JAM66D45-620/LB) – engineered for high-performance commercial and utility-scale installations. Featuring n-type Bycium+ cells, 16BB half-cell technology, and bifacial energy capture, this panel delivers up to 23.0% module efficiency and superior durability.

 Key Features:

• Rated Power Output: 620W
• Module Efficiency: Up to 23.0%
• Bifacial Design: Captures sunlight from both sides for up to 670W with 10% rear irradiation
• Premium Cell Technology: n-type Bycium+ with 16 busbars for enhanced performance
• Low LID & Better Temperature Coefficient: Ensures long-term reliability and energy yield
• Durability: Double 2.0mm glass layers, IP68 junction box, and 5400Pa front load resistance
• Warranty: 12-year product warranty + 30-year linear power output warranty

Specifications:

• Dimensions: 2382 × 1134 × 30 mm
• Weight: 33.1 kg
• Cell Count: 132 (6×22)
• Connector: QC 4.10-351 / MC4-EVO2A
• Operating Temp: -40°C to +85°C
• Max System Voltage: 1500V DC
• Fire Rating: UL Type 29

Certifications:

• IEC 61215, IEC 61730, UL 61215, UL 61730
• ISO 9001, ISO 14001, ISO 45001
• IEC 62941: Quality system for PV module manufacturing
• CE, TUV, Intertek

Why Choose JA Solar Deep Blue 4.0 Pro?

Designed for next-gen solar installations, this module offers higher power generation, better LCOE, and enhanced performance in low-light conditions. Ideal for ground-mounted systems, solar farms, and bifacial tracker setups.

620W JA Solar Bifacial Specification Document