610W~640W Black Frame Monofacial Solar Panel Equipment

Discover the epitome of sustainable energy with SUNPAL's advanced N-Type Single-Glass Solar Panels, featuring a sleek black frame for aesthetic appeal and durability. Offering a remarkable efficiency rate of 22.90%, these monofacial modules are available in power outputs including 610W, 620W, 630W, and 640W, catering to various energy demands, be it residential or commercial. Optimized for rooftops, these economically efficient panels, compared to bifacial counterparts, deliver uncompromised performance where the panel's back faces non-reflective grounds. Backed by our robust 25-year material and 30-year power warranties, switching to SUNPAL's solar technology equates to considerable savings on energy bills. Switch to SUNPAL's elegant, high-performing solar panels and join the green energy revolution.
  • Model:

    SP640M-78H
  • Junction Box:

    Ip68 Rated (3 Bypass Diodes)
  • Cell Orientation:

    156(6×26)
  • Output Cable:

    4mm², 300mm(+)/300mm(-); Length can be Customized
  • Glass:

    3.2mm Coated Tempered Glass
  • Frame:

    Black Anodized Aluminium Alloy Frame
  • Weight:

    30.0kg
  • Dimension:

    (Length*Width*Height) 2465*1134*35mm
  • Packaging:

    31pcs/Box, 124pcs/20′GP, 496pcs/40′HQ

bifacial solar panel

HiMAX5N MBB 156 Half-Cut Cell TOPCon Single Glass Solar Panels


Welcome to the forefront of green technology with Sunpal's sleek N-type TOPCon Mono-Facial Monocrystalline Solar Modules, flawlessly encased in a black frame for a modern touch.

Top-Tier Efficiency: Sunpal's breakthrough innovation leads the pack with an impressive 22.90% module efficiency, offering energy solutions from 610W 620W to 630W 640W.

Weather-Resistant Performance: Trust in the robust output of Sunpal's monofacial solar cells, engineered to thrive in diverse climates and ensure sustainable energy year-round.

Streamlined Setup: Experience hassle-free installations with Sunpal's lightweight, single-glass design, crafted for swift and simple integration onto any rooftop or metal surfaces.

Affordable Sustainability: With advanced N-type TOPCon technology, Sunpal brings premium solar efficiency within reach, democratizing clean energy for all.

Peace of Mind Investment: Your commitment to the environment is secure with Sunpal, thanks to our solid 25-year material and 30-year power output warranties.

With Sunpal, you're not just choosing premium solar modules; you're opting for a smart, long-term, cost-efficient power solution. Get your custom quote today and illuminate your space with the power of the sun.



double glass solar panelLarge Cells Solar Panel Advantages


Transform Energy Management with SUNPAL's Single-Glass Solar Modules

Revamp Your Energy Blueprint: Experience the pinnacle of power with SUNPAL's single-sided, high-capacity solar panels. Select fewer panels for outstanding efficiency, and enjoy cost-effective energy optimization for your industry or commercial projects.

Space-Savvy Solar: Harness high energy outputs even in tight spaces with SUNPAL's compact single-glass panels, engineered for maximum productivity on limited rooftops or sprawling solar ventures, achieving a harmonious blend of spatial economy and energy proficiency.

Streamlined Solar Setup: SUNPAL’s expansive modules simplify installation, curtailing labor costs and ensuring your projects stay on track economically.

SUNPAL's Solar Panels:

Frugal Energy Innovation: Our expansive single-sided PV panels cut both upfront and long-term costs, offering a thrifty solution with minimal upkeep.

Consistent Power Output: Pioneering solar tech from SUNPAL promises dependable energy, even under varying light conditions—for unwavering results.

Pioneering Photovoltaic Progress: As leaders in solar evolution, SUNPAL's offerings amplify your energy returns and invigorate your solar investments.

Sync Up with SUNPAL:

Choose SUNPAL for scalable, cost-smart single-sided solar solutions. Reach out for a tailored energy strategy that aligns with your performance targets and financial ambitions.



half cell solar panel

Half-Cut Technology Advantages


Boost City Living with SUNPAL's High-Efficiency Half-Cell Solar Panels

Urban Power Enhanced: Maximize your city energy potential with SUNPAL's cutting-edge half-cut cell solar modules. Perfect for tight urban spaces or snug residential quarters, these panels ensure top-notch power delivery in small footprints.

Shading Resilience: Count on SUNPAL for consistent energy, even amidst urban shade. Our pioneering half-cell design promises persistent output, giving you a steady power source, come rain or shine.

Long-Lasting Stability: Constructed for resilience, SUNPAL's solar panels fend off micro-cracks, prolonging the life and efficacy of your green investment.

SUNPAL's Half-Cell Advantage:

Efficiency Reimagined: Stay cool and collect more power with our half-cell tech, keeping your energy supply robust and reliable.

Heat Management: Distribute heat evenly to avoid hot spots, securing both the longevity and performance of your solar investment.

Leaders in Eco-Technology: Advance with SUNPAL, a name synonymous with high-performing, resilient half-cell solar panels that drive us toward a cleaner, sustainable horizon.

Power Up with SUNPAL:

Choose SUNPAL's forward-thinking, single-sided half-cell modules for an eco-friendly boost to your urban living or business energy needs, marrying excellence with endurance.


certifications of solar panel

BiMAX5N TOPCon Certifications:

IEC 61215, IEC 61730, UL 61730
ISO 9001:2008: ISO Quality Management System
ISO 14001: 2004: ISO Environment Management System 

OHSAS 18001: 2007 Occupational Health and Safety 




BiMAX5N Solar Panel Features:

  • Bifacial technology enables additional energy harvesting from rear side (up to 25%)
  • Glass/glass lamination ensures 30 year product lifetime, with annual power degradation < 0.45%, 
  • 1500V compatible to reduce BOS cost
  • Solid PID resistance ensured by solar cell process optimization and careful module BOM selection Reduced resistive loss with lower operating current
  • Higher energy yield with lower operating temperature
  • Reduced hot spot risk with optimized electrical design and lower operating current 
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