Thornova Solar TS-BW66(495)
Thornova Solar TS-BW66(495)
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SKU  PES-SPS-SOL-20950

Thornova Solar TS-BW66(495)

Thornova Solar TS-BW66(495)

OEM Authorized Dealer BABA Compliant Full OEM Warranty 7-10 Business Day Delivery
Regular price $180.00 USD
Regular price $0.01 Sale price $180.00 USD
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Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

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Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

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All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

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Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

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Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

Solenso NRJ-W120SS 400W HJT Bifacial Solar Panel

Model NRJ-W120SS | Heterojunction (HJT) | 120 Half-Cut Cells | Bifacial | 1500V System Voltage

400 W
Max Power Output
22.0%
Module Efficiency
120
N-Type TOPCon

Product Overview

The Solenso NRJ-W120SS 400W HJT bifacial solar panel delivers high efficiency and long term performance for demanding projects. This advanced heterojunction module uses 120 half cut bifacial cells to convert more sunlight into usable energy with up to 22.0% module efficiency. It is designed for rooftops, carports and ground mount systems where every square meter of space must provide strong output. Its bifacial design boosts yield by capturing light from the front and reflective light from the rear side. The panel features excellent weak light behavior and a leading low temperature coefficient. Reliable energy is delivered in hot summers, cold winters and variable conditions through the year. With a 1500V system rating and robust mechanical strength, this module fits residential, commercial and light industrial arrays. The NRJ-W120SS stands out as a smart choice for users seeking dependable 400W solar panel performance with advanced HJT technology.

Key Benefits

High 400W power output in compact footprint: Each module delivers up to 400W at STC, allowing strong system capacity from a smaller array area. This helps maximize roof and ground space while keeping balance of system costs under control.

Up to 22.0% module efficiency: The heterojunction cell design improves conversion efficiency, meaning more energy is produced from the same level of sunlight. This supports higher kWh production over the lifetime of the installation.

Bifacial energy gain with >90% bifaciality: The transparent back structure and bifacial HJT cells capture rear side irradiation for extra output. This offers attractive yield gains on reflective surfaces such as light concrete, snow or white membranes.

Excellent performance in heat and low light: A low power temperature coefficient of -0.26% per degree Celsius helps maintain output in hot conditions. Strong weak light behavior supports early morning, late afternoon and cloudy day production.

Long lasting reliability and extended warranties: The module includes a 20 year product workmanship warranty and a 30 year linear power warranty. Degradation is limited to 1% in year one then only 0.37% per year until year thirty.

Robust construction for harsh conditions: Front load capacity reaches 5400 Pa with rear load rated at 2400 Pa. This supports use in areas with heavy snow, strong wind and challenging climates when correctly installed.

How It Works

The NRJ-W120SS bifacial HJT solar module converts sunlight into electricity using advanced heterojunction cell architecture. Each panel uses 120 half cut cells that reduce resistance losses and improve shade tolerance. When sunlight hits the front glass, photons are absorbed by the high efficiency HJT cells and transformed into direct current electricity. At the same time, the bifacial design captures reflected light from the rear side, increasing total energy harvest across the day. The generated DC power flows through the junction box and MC4 compatible connectors into your string wiring. From there, an inverter converts the DC energy into AC power that can be used by homes or businesses. When installed on reflective surfaces or elevated structures, this bifacial panel design can improve yield compared with standard monofacial modules. The low temperature coefficient and strong low light behavior help maintain steady power generation across changing seasons and weather patterns.

Heterojunction HJT cell conversion: The NRJ-W120SS uses heterojunction technology that combines crystalline silicon with thin amorphous layers. This structure reduces recombination losses and supports high open circuit voltage and strong efficiency. As sunlight enters the 2.0 mm anti reflective front glass, more photons reach the active layers for improved power output.

Bifacial rear side generation: The module back side uses 2.0 mm white ceramic patterned PV glass that lets rear side light reach the cells. With bifaciality rated at 90 ±5%, a large part of reflected irradiation is converted into additional energy. This mechanism is especially effective over bright ground, light rooftops and snowy surfaces.

Half cut cell and Super MBB current collection: The 120 half cut cell layout shortens current paths and lowers resistive losses inside the panel. Super multi busbar design improves current collection and reduces the impact of minor microcracks. Together, these technologies support higher module power and better reliability over the service life.

System integration and energy delivery: The module connects via 4 mm² output cables and MC4 compatible connectors for fast integration. A maximum system voltage of 1500V allows long strings on commercial and utility rooftops when permitted by design. Once wired to a matched inverter, energy can feed on site loads or export to the grid under local regulations.

Technical Specifications

Model Series NRJ-W120SS 375W / 380W / 385W / 390W / 395W / 400W
Maximum Power at STC (Pmax) 400 W (range 375–400 W depending on model)
Maximum Power at BSTC (Pmax) 440 W for 400 W module under bifacial test conditions
Module Efficiency From 20.9% up to 22.0% depending on power class
Open Circuit Voltage Voc (STC) 44.74 V for 400 W module (series range 37.52–44.74 V)
Short Circuit Current Isc (STC) 10.74 A for 400 W module (series range 10.14–10.74 A)
Maximum Power Voltage Vmpp (STC) 38.36 V for 400 W module (series range 37.02–38.36 V)
Maximum Power Current Impp (STC) 10.44 A for 400 W module (series range 10.15–10.44 A)
Power Sorting 0 to +5 W positive power tolerance
Bifaciality 90% ±5% bifaciality factor
Cell Type and Size 120 HJT cells, 166 mm x 83 mm half cut design
Module Dimensions 1755 mm x 1038 mm x 30 mm overall size
Weight 23.5 kg per module
Front Glass 2.0 mm anti reflective solar glass
Back Glass 2.0 mm white ceramic patterned PV glass
Frame Material Anodised aluminum alloy frame
Encapsulant POE encapsulant for improved durability
Junction Box Rating IP67 / IP68 rated junction box
Output Cables and Connectors 4 mm² cables, 200 mm length standard, MC4 compatible connectors
Operating Temperature Range -40°C to +85°C module operating temperature
Nominal Operating Cell Temperature (NOCT) 44°C ±2°C nominal cell temperature
Maximum System Voltage DC 1500 V according to IEC rating
Maximum Series Fuse Rating 20 A maximum series fuse
Front Mechanical Load 5400 Pa certified front load rating
Rear Mechanical Load 2400 Pa certified rear load rating
Safety Class Class II safety classification
Fire Rating Class A fire performance rating
Container Packaging Data 40' container, 26 pallets, 36 modules per pallet, 936 modules total

Certifications & Compliance

Certifications: Certified for 5400 Pa snow load and 2400 Pa wind load performance. Safety Class II and Class A fire rating for compliant rooftop and ground mount use when installed to regional codes.
Inverter Compatibility: Designed for modern grid tied string and hybrid inverters rated up to 1500 V DC. Compatible with most leading inverter brands that accept bifacial high efficiency modules in this power range.
Environmental: Operates from -40°C to +85°C with POE encapsulation and dual glass construction. IP67 and IP68 junction box protection supports outdoor use in challenging weather zones.
Warranty: 20 year product workmanship warranty coverage. 30 year linear power warranty with 99% output in year one and only 0.37% annual degradation from year two to year thirty.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Be Smart, Buy From an Authorized Dealer

When you choose Portlandia Electric Supply, you’re buying real products from a trusted company with established supplier relationships. Enjoy peace of mind with 100% manufacturer warranty coverage and lifetime customer support. In an age where online shopping is fraught with risks, it’s crucial to avoid fly-by-night websites that skirt regulations. Shop with confidence, knowing you’re getting genuine quality and reliable service.

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