HomePV ModulesFLEXIBLE135W Monocrystalline 14-Half Cells Flexible Solar Panel Bulk Sales
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135W Monocrystalline 14-Half Cells Flexible Solar Panel Bulk Sales

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  • Superior ETFE Coating

    The ETFE surface offers 95% light transmittance, enhancing sunlight absorption while providing exceptional durability, UV resistance, and weather protection for long-term performance in outdoor environments.

  • High-Performance Half Cut Cells

    Equipped with 28 monocrystalline cells, this panel reduces power loss and increases efficiency, ensuring consistent energy output even in partial shading or low-light conditions.

    • Wholesale 135W Flexible Mono Solar Panel with 28 Cells
    • Buy 135W 14-Half Cells Flexible Solar Panels in Bulk

  • Robust Load Resistance

    Tested for 2400Pa wind load and 5400Pa snow load, this panel withstands strong winds and heavy snowfall, ensuring stable and reliable operation in diverse environments.

  • Versatile Installation Options

    The bendable design and reinforced mounting holes allow for flexible installation on curved or irregular surfaces, making it ideal for unconventional setups on yachts, tents, and vehicles.

    • Inquire Download
    • Wholesale 135W Flexible Mono Solar Panel with 28 Cells
    • Buy 135W 14-Half Cells Flexible Solar Panels in Bulk
    Inquire Download

  • Superior ETFE Coating

    The ETFE surface offers 95% light transmittance, enhancing sunlight absorption while providing exceptional durability, UV resistance, and weather protection for long-term performance in outdoor environments.

  • High-Performance Half Cut Cells

    Equipped with 28 monocrystalline cells, this panel reduces power loss and increases efficiency, ensuring consistent energy output even in partial shading or low-light conditions.

  • Robust Load Resistance

    Tested for 2400Pa wind load and 5400Pa snow load, this panel withstands strong winds and heavy snowfall, ensuring stable and reliable operation in diverse environments.

  • Versatile Installation Options

    The bendable design and reinforced mounting holes allow for flexible installation on curved or irregular surfaces, making it ideal for unconventional setups on yachts, tents, and vehicles.

    • Q

      What is the actual power output I can expect from these flexible panels?

      A

      The actual power output depends on several factors including sunlight conditions, temperature, installation angle, and panel maintenance. Under standard test conditions (STC), you'll get the rated power, but real-world conditions typically yield 85-90% of rated capacity.
    • Q

      What types of surfaces or structures are best suited for installing flexible solar modules?

      A

      They’re ideal for curved or irregular surfaces like RV roofs, boats, carports, tents, and low-load rooftops where traditional panels might not fit or add too much weight.
    • Q

      What are the main advantages of choosing flexible solar modules over rigid panels?

      A

      Flexible modules are lighter, easier to install on curved or irregular surfaces, and have a low-profile design. They’re also portable and versatile, making them ideal for unique or space-constrained projects.
    • Q

      What are the common applications for flexible solar modules?

      A

      They’re widely used on RVs, boats, carports, tents, and low-load rooftops, as well as in portable and off-grid systems.
    • Q

      What are the key specifications of Sunpal's flexible solar modules, such as power output, efficiency, and dimensions?

      A

      Sunpal’s flexible solar modules offer power outputs ranging from 100W to 500W, with efficiency ranging from 18.47% to 20.21%. Dimensions vary by model, and detailed specs are available on individual product pages.
    • Q

      What is the expected lifespan of Sunpal's flexible solar modules?

      A

      Sunpal manufactures solar panels; well, they’re built to last 25-30 years, matching rigid panels, with performance warranties ensuring at least 80% efficiency after 25 years.

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    Mechanical Parameters

    No. of Cells210 x105 Mono
    Dimensions900*805*3mm
    Weight2.67kg
    Junction BoxIP65/IP67

    Electrical Parameters (STC*)

    Module Type:SP135M-14
    Maximum power (Pmax/W)135
    Open Circuit Voltage (Voc/V)18.40
    Short Circuit Current (Isc/A)9.15A
    Voltage at Maximum power (Vmpp/V)15.59
    Current at Maximum Power (Imp/A)8.66
    Module Efficiency(%)18.46

    TEMPERATURE&MAXIMUM RATING

    Maximum System Voltage(V)1000
    Maximum Series Fuse Rating(A)10
    Power Tolerance0~+3%
    Pmax Temperature Coefficients(W/C)-0.400%
    Voc Temperature Coefficients(V/C)-0.330%
    Isc Temperature Coefficients(A/C)+0.048%
    NOCT Nominal Operating Cell Temperature(℃)45±2
    Operating and Storage Temperature(℃)-40～+85

    How does the cost of flexible solar modules compare to traditional rigid panels?

    They may cost more upfront due to advanced materials, but lower installation costs and versatility can make them more economical overall. The table below provides a detailed cost comparison, including breakdowns and factors:

      Cost Aspect Flexible Modules (Sunpal Estimates) Rigid Panels (Typical Market) Key Factors Influencing Difference
      Upfront Material Cost $0.2-0.3/W (higher due to ETFE and flexible tech) $0.09-0.11/W (standard glass/aluminum) Advanced materials in flexible increase base price by 20-50%
      Installation Cost $0.50-1.00/W (simple adhesive/screw methods) $1.00-2.00/W (brackets, labor-intensive) Flexible saves 40-60% on labor; no permits needed for some portable uses
      Total System Cost (e.g., 1kW) $1,000-1,300 (includes basic wiring) $2,000-2,500 (includes mounting hardware) Economies of scale for bulk orders; Sunpal offers wholesale discounts
      Maintenance Over 25 Years $100-300 (minimal cleaning) $500-1,000 (potential glass replacement) Flexible's durability reduces long-term repairs
      Shipping/Transport Lower due to lightweight (e.g., $50-100 for 1kW) Higher due to bulk/fragility (e.g., $100-200 for 1kW) Rollable design cuts shipping costs by 30%
      Incentives/Financing Eligible for solar tax credits; Sunpal financing partnerships Similar eligibility ROI boosted by rebates (e.g., 26% US ITC); customizable for grant-qualified projects
      Overall Lifetime Value Higher for versatile/marine uses; breakeven faster in mobile scenarios Better for large fixed installs Flexible excels in niche markets with 10-20% better adaptability ROI

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