SEG Solar SEG-480-BTB-BG
SEG Solar SEG-480-BTB-BG
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SEG Solar SEG-480-BTB-BG

SEG Solar SEG-480-BTB-BG

Ships Direct from Manufacturer — typically leaves the dock in 3–7 business days
SKU  PES-SPS-SOL-16388
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Regular price $180.00 USD
Regular price $0.01 Sale price $180.00 USD
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PES-SPS-SOL-16388
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SEG Solar SEG-480-BTB-BG
SEG Solar SEG-480-BTB-BG $180.00
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Returns are accepted within 30 days of delivery and require an RMA number. Returns of non-defective items carry a 40% restocking fee per our Refund Policy; defective, damaged-in-transit, or mis-shipped items are exempt. Special-order items are final sale.

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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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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.

SEG Solar SEG-480-BTB-BG 480W N-Type TOPCon Bifacial Solar Panel

Model SEG-480-BTB-BG | N-Type TOPCon | 120 Half-Cell | Bifacial | 1500V System Voltage

480 W
Max Power Output
22.17%
Module Efficiency
120 Cells
N-Type TOPCon

Product Overview

The SEG Solar SEG-480-BTB-BG 480W N-Type TOPCon bifacial solar panel is engineered for high performance in modern solar projects. This advanced module combines N-type TOPCon cell technology with a bifacial double-glass design to deliver excellent energy yields in a wide range of environments. With a maximum power output of 480 watts and panel efficiency up to 22.17%, it supports space‑constrained roofs and ground mounts where every square meter matters. The monocrystalline half‑cell layout enhances shade tolerance and reduces resistive losses for more stable production over time. This panel operates within an extended temperature range from -40°C to 85°C, which allows reliable use in hot, cold, coastal, and dusty locations. A robust anodized aluminium frame, 2.0 mm anti‑reflection coated glass, and IP68 junction box offer strong mechanical protection in challenging outdoor conditions. Backed by a 15‑year product warranty and 30‑year linear power warranty with an end‑of‑term output of 87.4%, this module is designed for long‑term residential, commercial, and utility deployments.

Key Benefits

High power density for limited spaces: With up to 480 W of front‑side power and module efficiency up to 22.17%, this panel helps maximise energy production on constrained rooftops and compact ground arrays.

Bifacial generation for higher yields: The bifacial double‑glass construction captures light from both front and rear sides, which can increase total energy output on reflective surfaces such as light gravel, concrete, or white membranes.

Stable performance in varying temperatures: A low Pmax temperature coefficient of -0.30% per °C and NOCT around 45±2°C support reliable generation in hot climates and on dark roofs where operating temperatures rise.

Durable double‑glass and robust frame: Semi‑tempered 2.0 mm glass with anti‑reflection coating on the front and low‑iron glass on the back, combined with an anodized aluminium alloy frame, provides strong mechanical resilience and long service life.

Long‑term warranty protection: A 15‑year product warranty and a 30‑year linear power warranty, with at least 87.4% of initial power guaranteed at year 30, support long‑horizon project returns and bankability.

Flexible use across project types: The 1500 V maximum system voltage, 30 A series fuse rating, and high mechanical load capacity make this module suitable for residential, commercial, and utility installations using string or central inverters.

How It Works

This SEG Solar SEG-480-BTB-BG module converts sunlight into usable DC electricity through advanced N‑type TOPCon monocrystalline solar cells arranged in a half‑cell layout. Incident sunlight hits the front glass, passes through the anti‑reflection coating, and reaches the solar cells, where photons are converted into electrical current. Because this is a bifacial double‑glass design, additional light reflecting from the ground or nearby surfaces also enters through the rear glass and contributes to current generation. The module’s electrical output is delivered through MC4 connectors to a compatible inverter, which then converts DC energy into AC power for on‑site use or export to the grid. A low temperature coefficient and carefully optimised cell interconnection help maintain consistent performance under real‑world conditions, including partial shade and high operating temperatures. Over the system lifetime, the linear power warranty and controlled degradation rate support predictable production forecasts and project bankability.

N-Type TOPCon half‑cell architecture: The module uses N‑type TOPCon 182 x 91 mm cells in a 120 half‑cell configuration. This structure reduces resistive losses, improves shade tolerance across strings, and supports higher conversion efficiency compared with many standard full‑cell designs.

Bifacial double‑glass energy capture: Front and rear 2.0 mm glass layers enable light collection from both sides of the panel. The front side handles direct irradiance, while the rear side harvests reflected and diffuse light, which can raise total kWh output per installed kilowatt in well designed arrays.

System integration and safety: The panel connects into 1500 V DC strings using MC4 connectors and 12 AWG PV wire, which supports efficient high‑voltage array design. An IP68 junction box with three bypass diodes protects against hot spots during partial shading, while the 30 A series fuse rating ensures safe operation within typical string configurations.

Technical Specifications

Brand SEG Solar Inc.
Model Number SEG-480-BTB-BG (YUKON N Series)
Cell Technology N-Type TOPCon monocrystalline half‑cell
Cell Size 182 × 182 mm silicon wafers, cut to 182 × 91 mm cells
Number of Cells 120 half‑cells
Module Type Bifacial double‑glass module
Power Range 465 – 480 Wp (front side)
Maximum Power (Pmax, STC) 480 Wp front side, 361 Wp at NOCT
Panel Efficiency 21.48 – 22.17% (up to 22.17% at 480 W)
Power Tolerance 0 ~ +3%
Voltage at Pmax (Vmpp, STC) 36.0 V (front), 33.83 V at NOCT
Current at Pmax (Impp, STC) 13.34 A (front), 10.67 A at NOCT
Open Circuit Voltage (Voc) 43.2 V (front), 41.04 V at NOCT
Short Circuit Current (Isc) 14.0 A (front), 11.2 A at NOCT
Maximum System Voltage 1500 V DC (IEC/UL)
Series Fuse Rating 30 A
Operating Temperature Range -40°C to +85°C
Nominal Operating Cell Temperature (NOCT) 45 ± 2°C
Temperature Coefficient of Pmax -0.30% / °C
Temperature Coefficient of Voc -0.25% / °C
Temperature Coefficient of Isc +0.046% / °C
Module Dimensions (H × W × D) 1909 × 1134 × 30 mm
Weight 27.3 kg
Front / Back Glass 2.0 mm AR‑coated semi‑tempered glass front / 2.0 mm low‑iron glass back
Glass Type and Thickness Anti‑reflection coating glass, 2 mm thickness per side
Frame Type Anodized aluminium alloy frame
Junction Box IP68 rated with 3 bypass diodes
Connector Type MC4 compatible connectors
Cable Type / Length 12 AWG PV wire (UL) / 1200 mm
Mechanical Load Capacity (Front) 5400 Pa / 113 psf (refer to installation manual)
Mechanical Load Capacity (Rear) 2400 Pa / 50 psf (refer to installation manual)

Certifications & Compliance

Certifications: IEC 61215:2016, IEC 61730:2016, UL 1703, UL 61730, ETL / CEC listing, IEC 62804 PID resistance, IEC 61701 salt mist, IEC 62716 ammonia resistance, IEC 60068 dust and sand, IEC 61215 hailstone testing, Fire Type 29 (UL 61730).
Inverter Compatibility: Compatible with most modern string and central inverters that support 1500 V DC arrays and high‑efficiency N‑type modules. Always check string sizing, voltage limits, and current limits in the chosen inverter datasheet before final design.
Environmental: Designed for harsh outdoor conditions with double‑glass construction, high mechanical load ratings, and resistance to potential induced degradation, salt mist, ammonia, dust, sand, and hail when installed per SEG Solar guidelines.
Warranty: 15‑year limited product warranty on materials and workmanship, plus 30‑year linear power output warranty with power degradation limited to about 0.42% per year and at least 87.4% of the initial nameplate output guaranteed at year 30.

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.

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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

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