In stock

Silfab 420W Solar Panel 108 Cell All-Black SIL-420-QD Wholesale in pallet 26 panels

$4,717.44 /pallet
$0.432 /pw
(1)
Solar Loan from 6.99%
1 pallet
(26 panels)
Minimum order – 26 panels

We have changed the number of solar panels to comply with shipping terms.

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How to get it
Your ZIP Code 20149
Return policy
All Silfab products All 420 Watt Panels

Attachments

Specification

Length67.8in
Width44.6in
Rated Power Output 420 W
Voltage (VOC)37.68V
Maximum String Voltage 1000V
Number of cells108
Cell TypeMonocrystalline
Rated Efficiency21.5%
Connector TypeMC4 from Staubli
Backsheet Colorblack
Frame Colorblack
Dimensions LxWxH67.8 × 44.6 × 1.37 in
Weight46.3 lbs
Pallet Qty26
ManufacturerSilfab
Manufacturer Part #SIL-420-QD
Operating Temperatures −40°F to +185°F
Scope of Application
  • Solar Panels for Boats
  • Solar Panels for Commercial
  • Solar Panels for Home
  • Solar Panels for RV
Use
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warranty25-30 year warranty
Delivery Time 5-7 Business Days

About product

SIL-420-QD is a model that uses several technologies to bring durability and performance to the next level. Silfab Prime NTC utilizes next-generation N-type solar cell technology. This solar cell type results in more power, improved efficiency and consistent performance for the lifetime of the panel.

To further boost the performance, Silfab employs half-cut cell technology. Each of the panel’s 108 cells is only half the size of a traditional solar cell. This grants SIL-420-QD lower resistive losses and better shade tolerance. At 21.5% efficiency, SIL-420-QD offers surprising performance for its weight and size. Novel design solutions allow this panel to look as well as it performs. This model is just 1.37" in depth and is jet black with a sleek finish. The panel's functionality and durability are not affected by its aesthetic appeal. Silfab provides an industry-leading 30-year performance warranty and a 25-year product warranty.

  • 420 W power output
  • 108 half-cut N-Type cells
  • 21.5% efficiency
  • 1000 V DC maximum system voltage
  • MC4 from Staubli connectors
  • 25-year product and 30-year performance warranties

Higher efficiency of up to 21.5%

The highest power output is guaranteed by Silfab SIL-420-QD with an efficiency of up to 21.5%. Such outstanding performance is the product of Silfab Prime NTC Solar Cell technology. It uses an n-type wafer with a rear NTC passivation layer enabling better charge carrier collection while reducing recombination leading to improved efficiency. This is notably above average, translating into significant additional savings throughout operation.

Exceptional performance in scorching weather

At high working temperatures, a low temperature coefficient equals increased energy generation. Every 1.8°F over 77°F results in a model's efficiency loss of just -0.36 percent.

High quality standards

Silfab strict manufacturing standards include multiple tests to provide extreme quality assurance. The facilities are highly automated, allowing the company to maintain high standards and keep the level of warranty claims very low.

Low degradation for a longer lifespan

These panels will lose no more than 2% of their power output in the first year of service. From the 2nd year to the 30th year, the average annual power decline will be no more than 0.30%. The module retains over 89.3% of its original output after 30 years. Guaranteed by Silfab.

Certified for the worst environmental conditions

SIL-420-QD is PID, salt, acid, and ammonia resistant. It can also bear mechanical loads of up to 5400 Pa on the front and 4000 Pa on the back. This durability is mostly owing to the 1.37" thick anodized aluminum frame and a layer of protective glass.

Outstanding all-black design

The panel has a sleek, all-black style that complements any roof beautifully. Silfab uses unique treatment and selection procedures to guarantee optimum cell color. The cells are connected by thinner wires, and from a distance, the surface of the modules seems seamless and smooth.

Size

67.8" x 44.6" x 1.37"

Weight

43.6 lb

Reviews & Questions

  • Reviews (1)
  • Questions (0)
High price but best suitable for my solar system
valery s
04/26/2024 10:04 am

Leave a review

FAQ

How much is shipping and how long is delivery?
Our standard shipping charge is $250 for up to 11 panels and it is increased by $25 for every 4 additional panels. In the event, the product is only available on East or West coast custom quote will be sent to you before the order is processed. Normally, we are able to deliver solar panels within 7 business days.
What is the difference between low price panels and top price panels?
With top tier solar panels, you pay for the brand name, proprietary new technology, higher energy output, and better warranty support.
What are the dimensions of the panel?
Please refer to the product datasheet on the product page. We have a datasheet for every product we sell.
How long is the warranty on the panel?
In general, manufacturers provide a 25 year-long performance warranty and a 10 year-long equipment guarantee. Some manufacturers offer 12-15 years of warranty. More information is available in our warranty support section.
Which panels do you recommend for RV, marine?
We recommend Panasonic and Mission Solar panels for smaller systems as their high energy output and excellent craftsmanship guarantee years of service.
Can this panel be used with a 12v system?
Any of our panels can be used for a 12v system with a properly selected inverter and charge controller.
Can I pick up this panel from your fulfillment center to save on shipping?
Yes, we can set up a pick up at a local distributor. Please call to discuss options and stock availability.
How do I connect these panels?
To achieve the best system efficiency, panels should be connected in series to create higher voltage.
How many panels do I need?
This number is determined by your average energy needs. Depending on the type of panels and energy consumption, you might need anywhere from 12 to 45 solar panels. Remember, the more panels you install the more energy you will get.Please use our solar calculator to estimate your energy consumption and plan on building a solar system that will exceed your energy needs by 25%.
Do you offer discounts?
We do offer discounts for orders of over 50 units. Please contact us for details.
How do I build a solar system?
Please use our solar calculator to estimate what equipment you need. Choose your panels, microinverters, inverters, and solar batteries if necessary.Please note that we do not offer solar system design or installation.
How do solar panels compare?
Solar panels differ by power output, voltage, connection type, size, efficiency, and weight. Some solar panels might be sold together with microinverters as a set.
Can I build a solar system by myself as a Do It Yourself project?
Yes, it is possible if you understand what solar equipment you need and how to connect it together. However, please be mindful that handling your own electrical work without having proper experience might cause life-threatening injuries. Please contact a certified electrician if you do not possess appropriate electrical skills.
Can I connect and charge my solar panel battery directly with the solar panel?
We do not recommend using the solar panel without the charge controller. Using solar panels without the charge controller might damage the batteries.
Can I drill holes into the aluminum frame for mounting?
We do not recommend drilling any new holes to the aluminum frame of the panel as it could damage the internal circuit and solar cells. (Also, any modification to the panel will void the warranty). We recommend only using the pre-drilled holes for mounting.
Do solar panels require maintenance? Can I wash my solar panel?
Solar panels generally require very little maintenance. We recommend cleaning the solar panel with water, glass cleaner (Windex) and microfiber cloth.
Will my panel produce power in an overcast condition?
While solar panels require sunlight to generate solar energy, they will still work in cloudy weather. Even on a cloudy day, solar panels will produce energy just not as much.
Will my panels produce power if covered with snow?
Solar panels cannot produce electricity if covered with snow.
What is the best direction for a solar panel to face?
The best direction for a solar panel to face is the South