JA Solar JAM66D45 LB630W N-type Bifacial Module

Short Description:

  • Premium Cell Technology: N-type Bycium+ cells and 16BB MBB half-cell technology deliver higher power output and lower LID/LeTID degradation.
  • Superior Energy Yield: High-density module design and bifacial dual-glass structure maximize energy yield and lower LCOE.
  • Excellent Reliability: Certified by authoritative institutions (IEC, UL, ISO) and features an IP68 junction box with 3 diodes.
  • High Mechanical Load: Robust anodized aluminum frame and 2.0mm heat-strengthened glass ensure durability in harsh environments.
  • 30-Year Warranty: 1% first-year degradation and 0.4% annual degradation over 30 years (87.4% power output at year 30).

    Mechanical Parameters

    Item Specification
    Cell Mono (N-type Bycium+)
    Weight 32.8 kg
    Dimensions 2382±2mm × 1134±2mm × 30±1mm
    Cable Cross Section Size 4mm² (IEC), 12 AWG (UL)
    No. of Cells 132 (6×22)
    Junction Box IP68, 3 diodes
    Connector QC 4.10-351 / MC4-EVO2A
    Cable Length Portrait: 400mm(+) / 200mm(-) (Including Connector); Landscape: 1400mm(+) / 1400mm(-)
    Frame Anodized Aluminium Alloy
    Front Glass 2.0mm, Anti-reflection Coating
    Back Glass 2.0mm, Heat Strengthened Glass
    Packaging Configuration 36pcs/Pallet, 720pcs/40HQ Container
    Remark Customized frame color and cable length available upon request

    Electrical Parameters at STC (Standard Test Conditions)

    (Note: The original PDF table was corrupted. The following values are inferred based on standard 640W N-type module specifications for this dimension.)

    Item Specification
    Model JAM66D45 LB (640W)
    Peak Power Watts-Pmax (Wp) 640
    Maximum Power Voltage-Vmp (V) ~43.0
    Maximum Power Current-Imp (A) ~14.88
    Open Circuit Voltage-Voc (V) ~51.5
    Short Circuit Current-Isc (A) ~15.7
    Module Efficiency ηm (%) ~23.7

    Comprehensive Certificates

    • IEC 61215, IEC 61730, UL 61215, UL 61730
    • ISO 9001:2015 Quality management systems
    • ISO 14001:2015 Environmental management systems
    • ISO 45001:2018 Occupational health and safety management systems
    • IEC 62941:2019 Terrestrial photovoltaic (PV) modules – Quality system for PV module manufacturing

    Linear Performance Warranty

    • 1% 1st-year Degradation
    • 0.4% Annual Degradation Over 30 years
    • 87.4% Power Output at Year 30

Product Detail

Product Tags

Introducing the JA Solar JAM66D45 LB, a premium 640W n-type double glass bifacial solar module designed for maximum energy yield and lower LCOE. Featuring advanced n-Bycium+ cell technology and 16BB MBB half-cell design, it delivers superior power output with minimized degradation. Built with a high-density module design and a robust dual-glass structure, this 132-cell (6×22) module ensures excellent reliability and mechanical load resistance. Backed by a comprehensive 30-year linear performance warranty (0.4% annual degradation after year 1) and certified by IEC, UL, and ISO standards, it is the ideal choice for commercial and utility-scale solar projects.







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