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Best Prices For 610W 620W 630W Bifacial Photovoltaic Panels

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  • Industry-leading Warranties

    With optimized high-quality materials and design, Sunpal offers a 25-year materials warranty and a 30-year power warranty to guarantee a smooth and seamless solar energy experience.

  • Superior Efficiency & Power Output

    The Combination of larger 182mm solar cells and bifacial design delivers industry-leading efficiency (up to 22.72%), and the optimized power temperature coefficient (-0.29%/℃) contributes to maximize power output.

    • Maximize Solar Output With 605-635W TOPCon Bifacial Double Glass Solar Modules
    • Global Shipping And Fast Delivery For TOPCon 605-635W Bifacial Double Glass PV Modules
    • Global Shipping And Fast Delivery For TOPCon 605-635W Bifacial Double Glass PV Modules
    • TOPCon 605-635W Double Glass Solar Module: Power Your Industrial & Commercial Needs
  • Enhanced Durability and Reliability

    The slower power degradation, improved PID resistance and robust dual-glass construction of the SP635M-78H module minimize the power loss and ensure long-term and consistent energy output.

  • Reduced System Costs

    High-efficiency 620W TOPCon modules require fewer panels, reducing mounting, inverter, cable, and land costs. Typically 36–37 modules/pallet, with prices as low as $62/panel. Retail pricing is around $93/panel. Freight costs may significantly affect the final price due to the panels' large size. For an accurate total cost, including freight and regional tariffs, contact us with your required quantity and shipping ZIP code.

    • Maximize Solar Output With 605-635W TOPCon Bifacial Double Glass Solar Modules
    • Global Shipping And Fast Delivery For TOPCon 605-635W Bifacial Double Glass PV Modules
    • Global Shipping And Fast Delivery For TOPCon 605-635W Bifacial Double Glass PV Modules
    • TOPCon 605-635W Double Glass Solar Module: Power Your Industrial & Commercial Needs
  • Industry-leading Warranties

    With optimized high-quality materials and design, Sunpal offers a 25-year materials warranty and a 30-year power warranty to guarantee a smooth and seamless solar energy experience.

  • Superior Efficiency & Power Output

    The Combination of larger 182mm solar cells and bifacial design delivers industry-leading efficiency (up to 22.72%), and the optimized power temperature coefficient (-0.29%/℃) contributes to maximize power output.

  • Enhanced Durability and Reliability

    The slower power degradation, improved PID resistance and robust dual-glass construction of the SP635M-78H module minimize the power loss and ensure long-term and consistent energy output.

  • Reduced System Costs

    High-efficiency 620W TOPCon modules require fewer panels, reducing mounting, inverter, cable, and land costs. Typically 36–37 modules/pallet, with prices as low as $62/panel. Retail pricing is around $93/panel. Freight costs may significantly affect the final price due to the panels' large size. For an accurate total cost, including freight and regional tariffs, contact us with your required quantity and shipping ZIP code.

    • Q

      How does the bifacial double-glass design of the TOPCon BiMAX5N series benefit solar panel performance?

      A

      The bifacial double-glass design of the TOPCon BiMAX5N series allows these solar panels to capture sunlight from both the front and back sides, maximizing energy production. This feature is especially advantageous in environments with high albedo, such as snowy or reflective surfaces, where it can significantly increase overall energy yield.

    • Q

      Is the TOPCon BiMAX5N solar module durable?

      A

      Yes, the TOPCon BiMAX5N solar module is designed for long-term durability, backed by a 15–25 year product warranty to ensure the module’s quality and safety, and up to a 30-year linear power warranty to maintain low power degradation over 30 years.

    • Q

      Why choose TOPCon BiMAX5N dual-glass solar panels over traditional ones?

      A

      Dual-glass panels offer superior durability and protection against harsh weather compared to traditional panels with a glass front and plastic back sheet. The double-glass construction makes them more resistant to degradation, impact, and moisture, ensuring a longer lifespan and lower risk of failure.

    • Q

      What are the advantages of Topcon technology in solar panels?

      A

      Topcon (Tunnel Oxide Passivated Contact) technology significantly improves solar cell efficiency by reducing energy loss and increasing light absorption. This translates to higher power output and better performance in low-light conditions compared to conventional solar panels.

    • Q

      What are SUNPAL Topcon Dual Glass Solar Panels?

      A

      SUNPAL Topcon Dual Glass Solar Panels are high-efficiency solar panels featuring Topcon cell technology and a durable double-glass construction. They offer increased power output, enhanced reliability, and excellent performance even in challenging weather conditions.

    • Q

      What is the efficiency rating of SUNPAL Topcon Dual Glass Solar Panels?

      A

      These panels boast a high-efficiency rating from 22.53% to 22.72%, meaning they can convert more sunlight into usable energy compared to lower-efficiency panels.

    • Q

      Where can I buy TOPCon BiMAX5N solar panels for sale?

      A

      TOPCon BiMAX5N solar panels for sale are available directly from SUNPAL for wholesale, EPC projects, distributors, and large-scale commercial installations. As a professional solar panel manufacturer, SUNPAL provides high-efficiency TOPCon bifacial solar panels with competitive factory pricing, global shipping, OEM/ODM services, and reliable supply for utility-scale and rooftop solar projects worldwide.

    • Q

      What is the technology behind SUNPAL Topcon Dual Glass Solar Panels?

      A

      SUNPAL Topcon Dual Glass Solar Panels feature N-type cells with advanced Tunnel Oxide Passivated Contact (TOPCon) technology, which enhances efficiency by reducing recombination losses.

    • Q

      What is the price of TOPCon BiMAX5N solar panels?

      A

      The price of our TOPCon BiMAX5N solar panels varies depending on wattage and order volume. For comparison, similar N-Type TOPCon 585W solar panels typically retail for around $195–$250 per panel, while our factory-direct pricing offers a more competitive option. For 585W N-type TOPCon bifacial panels, the price is $62–$78 per panel for individual purchases, averaging $65–$75. For bulk orders, typically 36–37 panels per pallet, the price is around $62–$65 per panel, with a total pallet cost of approximately $2,232–$2,405. For 620W N-type TOPCon panels, the price ranges from $62–$93 per panel, or approximately $0.10–$0.15/W. Wholesale orders may qualify for more competitive pricing. Final prices depend on order volume, packaging, and shipping terms.

    Mechanical Parameters

    No. of Cells156 (6×26)
    Dimensions2465 x 1134 x 30mm
    Weight34.5kg
    Junction BoxIp68 rated (3 bypass diodes)
    Packaging36pcs/pallet
    144pcs/20'GP
    576pcs/40'HQ

    Electrical Parameters (STC*)

    Module Type: SP635M-78H605610615620625630635
    Maximum power (Pmax/W)605610615620625630635
    Open Circuit Voltage (Voc/V)55.3055.4155.5355.6455.7555.8655.97
    Short Circuit Current (Isc/A)13.9714.0414.1114.1814.2514.3214.39
    Voltage at Maximum power (Vmpp/V)45.6345.7645.9046.0346.1646.2946.42
    Current at Maximum Power (Imp/A)13.2613.3313.4013.4713.5413.6113.68
    Module Efficiency(%)21.6421.8222.0022.1822.3622.5422.72

    Bifacial Output-Rearsid Power Gain

    5%Maximum power (Pmax/W)635641646651656662667
    Module Efficiency STC (%)22.7322.9123.1023.2923.4823.6823.86
    15%Maximum power (Pmax/W)696702707713719725730
    Module Efficiency STC (%)24.8925.1025.3025.5125.7125.9126.11
    25%Maximum power (Pmax/W)756763769775781788794
    Module Efficiency STC (%)27.0527.2827.5027.7327.9528.1828.41

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