ZHU JKL108-B- (420-440) NB

420-440W

TOPCon High-Efficiency Mono
Bifacial Glass Module
No. of cells: 108
Cell Type:N type TOPCon Solar Cell
Click on the basic parameters below view more

440W 420W Bifacial Solar Panel For Sale—Click here to get a quick quote


If you are looking for 420W 430W 440W high efficiency solar panels, please choose Luan ZHU JKL108-B- (420-440) NB, using Topcon solar cell technology, bifacial power generation is more efficient, we sell the solar panels at the best price and provide 30 years after-sales service!

At Lu'an Solar, we are committed to providing efficient and reliable solar energy solutions to the world. As an industry-leading solar panel manufacturer, we promote the application and development of clean energy with cutting-edge technology and superior quality. Our solar panels not only have excellent conversion efficiency and long-lasting durability, but they can also adapt to a variety of harsh environments, helping you maximize the use of natural light, reduce your carbon footprint, and save on energy costs.

440W 420W Bifacial Solar Panel Use


Residential Rooftop Installations
Commercial and Industrial Buildings
Ground-Mounted Solar Farms
Floating Solar Projects
Solar Canopies and Carports
Agrivoltaics
High-Radiation Regions

420-440W Bifacial solar panels for sale at the best prices

Read More
Product Features
Basic Parameters
Product Features

Low risk of hot spots

Adopting new generation cell technology and optimizing circuit design to achieve better temperature coeficient and thermal resistance.

High energy density

Adopting large-sized and highly efficient cells,applying efficiency enhancing packaging materials and half cut technology to improve power output.

Lower electrical losses

The multi-busbar design effectively reduces the impact of hidden cracks and broken and the half cut cell structure effectively reduces the impact of shadow occlusion.

Double sided power generation

The gain of double-sided power generation increases with the back light exposure,reaching up to 25% significantly reducing LCOE.
Leading Quality Standards
15
yr

Quality assurance

30
yr

Power guarantee

-
0.40
%

Annual decay

Topcon 440W 420W bifacial solar panels are among the latest high-efficiency products

1. Superior Energy Efficiency: Maximizing Solar Power Output

The core strength of Topcon 440W and 420W bifacial solar panels lies in their exceptional energy conversion efficiency. Thanks to TOPCon technology (Tunnel Oxide Passivated Contact), these panels significantly improve electricity conversion, achieving an efficiency rate of over 22%. This means more energy production per square meter, delivering greater returns for homeowners, businesses, and large-scale solar projects.


2. Bifacial Power Generation: Capturing Light from Both Sides

One of the standout features of Topcon bifacial solar panels is their ability to generate power from both sides. In addition to capturing direct sunlight on the front, the back of the panel also absorbs reflected light from the ground. This dual-sided design can increase overall energy output by 10% to 30%, especially in areas with high albedo, such as reflective rooftops or sandy surfaces. This makes Topcon 440W 420W bifacial solar panels ideal for projects in high solar radiation regions, where maximizing energy yield is critical.


3. Durability and Weather Resistance: Ensuring Long-term Performance

To withstand challenging outdoor environments, Topcon bifacial solar panels are built with high-strength materials, offering excellent resistance to weathering and aging. Whether in extreme heat, freezing cold, dust storms, or humid conditions, these panels maintain optimal performance. Their long-lasting reliability ensures that projects can generate stable energy over the long term, providing consistent returns on investment and reducing maintenance costs.


4. Versatility in Applications: Flexible Installation Options

The Topcon 440W 420W bifacial solar panels are highly versatile, making them suitable for various applications. Whether for residential rooftop solar systems, commercial building projects, or large-scale ground-mounted solar farms, these panels deliver superior performance. They are lightweight and easy to install, compatible with various mounting systems, and can be customized to meet the specific needs of different projects.


5. Commitment to Sustainability: Supporting Global Carbon Neutral Goals

As the world moves toward carbon neutrality, adopting high-efficiency clean energy solutions has become essential. Topcon bifacial solar panels not only help reduce electricity costs but also significantly lower carbon emissions. With higher energy efficiency and a longer lifespan, Topcon solar panels improve energy utilization, support the transition to renewable energy, and promote environmental protection and sustainable development.


Luan Topcon 440W 420W bifacial solar panels combine advanced TOPCon technology, high-efficiency bifacial design, and durable materials to deliver superior energy output and long-term reliability. Whether you’re a homeowner, business owner, or managing a large-scale solar project, these panels are the ideal solution for maximizing energy production and minimizing operational costs.

If you have any questions, please contact us for further assistance!

Basic Parameters
Mechanical Parameters
CellN-type TOPCon(108)
Dimensions1722±2mm×1134±2mm×30±1mm
Weight24kg±3%
Glass2.0mm AR coating heatstrengthened glass,low iron
FrameAnodized aluminium alloy
junctionboxIP68,3 diodes
Wireway4mm²,350mm(+)/350mm(-)or customized length
Packaging36 pieces/pallet
Loading quantity40HQ:936pieces,17.5 meter truck:1152pieces
Drawing
Drawing
Mechanical Parameters
Maxsystem voltage1500V DC
Operating Temperature-40℃ ~+85℃
Fuse's rated current25A
Maxload front5400Pa
Maxload back2400Pa
Cell nominal operating temperature45±2°C
Safety levelClass ll
Fire performanceUL Type l
I-V Curve
I-V Curve
Electrical Parameters
ModuleJKL108-B-420NBJKL108-B-425NBJKL108-B-430NBJKL108-B-435NBJKL108-B-440NB
STC/NOCT
(FS)(FS)(RS)
STCNOCTSTC
(FS)(FS)(RS)
STCNOCTSTC
(FS)(FS)(RS)
STCNOCTSTC
(FS)(FS)(RS)
STCNOCTSTC
(FS)(FS)(RS)
STCNOCTSTC
Maximum power [W]
420316336
425320340
430324344
435328348
440332352
Maximum working voltage [V]
31.9129.9931.88
32.1130.2132.08
32.3130.4132.28
32.5260.6232.48
32.7530.8332.65
Maximum working current [A]
13.2710.7110.54
13.3510.7910.61
13.3210.6610.65
13.3910.7110.72
13.4610.7810.79
Open circuit voltage [V]
38.5136.5838.48
38.7136.7738.68
38.9136.9638.88
39.1137.15
39.08
39.3239.3339.29
Short circuit current [A]
13.8311.0611.01
13.9111.1511.09
13.9911.1911.14
14.0711.2611.21
14.1511.3111.26
EFF [%]    21.52%    21.83%    22.02%    22.31%    22.53%
Power tolerance(W)0 ~+5W
Short circuit current temperature coefficient+0.046%/℃
Open circuit voltage temperature coefficient-0.250%/℃
Maximum power temperature coefficient-0.300%/℃
STCIrradiance 1000W/m², Cell temperature 25°C,Spectral AM1.5
NOCTIrradiance 800W/m², Ambient temperature 20℃, Spectrum AM1.5, Wind speed1m/s

Note: The electrical performance in this product catalog do not only refer to a single module, or are they promised in the contract. The electrical parameters are only used for comparison between different module types.

Whatsapp
Service Hotline:
+86 15034505373
+86 15835562631
E-mail
E-mail:
info@luansolar.com
TOP