Hyundai 390W HiS-S390PI Bifacial Solar Panel
Hyundai 390W HiS-S390PI Bifacial Solar Panel
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Hyundai 390W HiS-S390PI Bifacial Solar Panel

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Hyundai 390W HiS-S390PI Bifacial Solar Panel

Trusted by 1,000s of Contractors & Installers
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$108.89 USD
$ $108.89 USD
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Sold in multiples of 10$0.28/WIn Stock
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Unit price
$0.28/W
Min purchase
10 pcs

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Hyundai 390W HiS-S390PI Bifacial Solar Panel
Hyundai 390W HiS-S390PI Bifacial Solar Panel $108.89

Specifications

Datasheet
Power Rating 390W
Cell Type Bifacial
Product Category Solar Panel
Certifications<
PES Supply | A PES Global Group Company

What is your return policy?

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.

What’s covered by your return policy?

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.

How long will it take to receive my order?

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.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

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.

How does your Lifetime Customer Support work?

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.

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Hyundai HiS-S390PI — 390W Bifacial Solar Panel

PI Series | 144 Half-Cut Bifacial Monocrystalline Cells | 19.1% Efficiency | 1,500V DC

390 W
Power Output
19.1%
Efficiency
48.9 lbs
Module Weight

Product Overview

The Hyundai HiS-S390PI is a 390W bifacial monocrystalline solar module from Hyundai Energy Solutions' PI Series, designed for commercial and utility-scale solar applications. The module uses 144 half-cut bifacial cells in a 2-parallel × 72-half-cell series configuration and delivers 19.1% module efficiency at standard test conditions. Its bifacial architecture allows the rear side of the module to capture additional irradiance, increasing energy generation when site conditions are favorable. The module is rated for 1,500V DC systems and incorporates anti-reflection coated glass, a transparent backsheet, a clear anodized aluminum alloy frame, IP68 weatherproof junction box, and three bypass diodes. The manufacturer datasheet specifies a 12-year product warranty and 25-year performance warranty.

Key Benefits

390W Rated Power: Provides 390W nominal output under standard test conditions, making the module suitable for commercial, utility, grid-tied, and other large-scale solar installations.

Bifacial Cell Technology: The 144-cell bifacial design allows the module to generate electricity from both front-side and rear-side irradiance, helping increase energy yield where reflected light is available.

144 Half-Cut Cells: The module uses 144 half-cut monocrystalline cells arranged as 2 parallel strings of 72 half cells in series, helping reduce resistive losses and improve performance under partial shading conditions.

1,500V System Voltage: The module is designed for 1,500V DC systems, supporting high-voltage commercial and utility-scale system architectures and helping reduce balance-of-system costs.

Low-Light Performance: Hyundai's PI Series is designed to provide increased power generation in low-irradiance conditions, helping maximize energy production across varying daylight conditions.

Anti-LID / PID Design: The manufacturer specifies measures to eliminate light-induced degradation (LID) and potential-induced degradation (PID), supporting higher actual energy yield over the module's operating lifetime.

Built for Harsh Environments: The module is designed with corrosion resistance and has undergone testing under demanding environmental conditions including ammonia and salt-mist exposure.

How It Works

The Hyundai HiS-S390PI converts sunlight into DC electricity through monocrystalline bifacial solar cells. The front surface captures direct sunlight while the bifacial rear side can capture reflected and diffuse irradiance. The transparent backsheet allows rear-side light to reach the bifacial cells, providing additional power generation when the installation has suitable ground reflectivity and rear-side irradiance.

Bifacial Energy Generation: The rear side captures additional irradiance and can increase total module output beyond the front-side nameplate rating. Actual gain depends on installation height, ground reflectivity, row spacing, shading, and other site conditions.

Half-Cut Cell Architecture: The 144 half-cut cells are arranged in two parallel groups of 72 half cells in series, helping reduce electrical resistance and maintain better performance when portions of the module experience shading.

PERL Technology: The PI Series uses PERL technology to support high efficiency and improved performance under low-irradiance conditions.

Technical Specifications

Manufacturer Hyundai Energy Solutions
Series PI Series
Model Number HiS-S390PI
Rated Power (Pmax) 390 W
Module Efficiency 19.1%
Cell Type Monocrystalline, 9-Busbar, Bifacial
Cell Configuration 144 Half-Cut Bifacial Cells (2 Parallel × 72 Half Cells in Series)
Open Circuit Voltage (Voc) 48.5 V
Short Circuit Current (Isc) 10.18 A
Voltage at Pmax (Vmpp) 40.2 V
Current at Pmax (Impp) 9.72 A
Maximum System Voltage 1,500 V DC
Maximum Reverse Current 20 A
Temperature Coefficient Pmax -0.417%/K
Temperature Coefficient Voc -0.306%/K
Temperature Coefficient Isc +0.046%/K
NMOT 45°C ± 2°C
Operating Temperature -40°C to +85°C
Dimensions 2,039 × 1,001 × 40 mm (80.3 × 39.4 × 1.6 in)
Weight Approx. 22.2 kg (48.9 lbs)
Front Construction Anti-Reflection Coated Glass
Encapsulant EVA
Backsheet Transparent Backsheet with White Grid
Frame Clear Anodized Aluminum Alloy Type 6063
Junction Box IP68 Weatherproof, IEC Certified / UL Listed
Bypass Diodes 3
Output Cables 4 mm² (12 AWG), 1.4 m (55 in), Polarized Weatherproof Connectors

Bifacial Rear-Side Power Gain

Additional power generation based on rear-side irradiance. Actual bifacial gain depends on installation conditions.

Front-Side Rated Output 390 W
5% Additional Gain 410 W
15% Additional Gain 449 W
25% Additional Gain 488 W

Environmental Durability

Front Mechanical Load: 5,400 Pa (113 psf)

Rear Mechanical Load: 2,400 Pa (50 psf)

Corrosion Resistance: Designed and tested for demanding environmental conditions including salt-mist and ammonia exposure.

Weather Protection: IP68 weatherproof junction box with anti-reflection coated front glass and transparent bifacial backsheet.

Certifications & Warranty

System Voltage: UL / IEC 1,500V DC
Junction Box: IP68, IEC Certified / UL Listed
Output Connectors: Weatherproof, IEC Certified / UL Listed
Product Warranty: 12 Years
Performance Warranty: 25 Years
LID / PID: Designed to eliminate LID and PID according to manufacturer documentation

Ideal Applications

Commercial Solar: Well suited for commercial rooftop and ground-mounted solar installations requiring bifacial energy generation.

Utility-Scale Solar: The 1,500V system rating and high mechanical load ratings support utility-scale system designs.

Ground-Mount Systems: Bifacial generation can be particularly useful in ground-mounted systems where rear-side irradiance and ground reflectivity can be optimized.

Grid-Tied Projects: Suitable for grid-connected solar projects where long-term module performance and high-voltage system architecture are important.

Packing & Logistics

Pallet Quantity 27 Modules per Pallet
Container Quantity 756 Modules per Container / Truckload listing

● Available | Contact us for current pricing, inventory, and lead time

```

What is your return policy?

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.

What’s covered by your return policy?

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.

How long will it take to receive my order?

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.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

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.

How does your Lifetime Customer Support work?

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.

```html

 

Hyundai HiS-S390PI — 390W Bifacial Solar Panel

PI Series | 144 Half-Cut Bifacial Monocrystalline Cells | 19.1% Efficiency | 1,500V DC

390 W
Power Output
19.1%
Efficiency
48.9 lbs
Module Weight

Product Overview

The Hyundai HiS-S390PI is a 390W bifacial monocrystalline solar module from Hyundai Energy Solutions' PI Series, designed for commercial and utility-scale solar applications. The module uses 144 half-cut bifacial cells in a 2-parallel × 72-half-cell series configuration and delivers 19.1% module efficiency at standard test conditions. Its bifacial architecture allows the rear side of the module to capture additional irradiance, increasing energy generation when site conditions are favorable. The module is rated for 1,500V DC systems and incorporates anti-reflection coated glass, a transparent backsheet, a clear anodized aluminum alloy frame, IP68 weatherproof junction box, and three bypass diodes. The manufacturer datasheet specifies a 12-year product warranty and 25-year performance warranty.

Key Benefits

390W Rated Power: Provides 390W nominal output under standard test conditions, making the module suitable for commercial, utility, grid-tied, and other large-scale solar installations.

Bifacial Cell Technology: The 144-cell bifacial design allows the module to generate electricity from both front-side and rear-side irradiance, helping increase energy yield where reflected light is available.

144 Half-Cut Cells: The module uses 144 half-cut monocrystalline cells arranged as 2 parallel strings of 72 half cells in series, helping reduce resistive losses and improve performance under partial shading conditions.

1,500V System Voltage: The module is designed for 1,500V DC systems, supporting high-voltage commercial and utility-scale system architectures and helping reduce balance-of-system costs.

Low-Light Performance: Hyundai's PI Series is designed to provide increased power generation in low-irradiance conditions, helping maximize energy production across varying daylight conditions.

Anti-LID / PID Design: The manufacturer specifies measures to eliminate light-induced degradation (LID) and potential-induced degradation (PID), supporting higher actual energy yield over the module's operating lifetime.

Built for Harsh Environments: The module is designed with corrosion resistance and has undergone testing under demanding environmental conditions including ammonia and salt-mist exposure.

How It Works

The Hyundai HiS-S390PI converts sunlight into DC electricity through monocrystalline bifacial solar cells. The front surface captures direct sunlight while the bifacial rear side can capture reflected and diffuse irradiance. The transparent backsheet allows rear-side light to reach the bifacial cells, providing additional power generation when the installation has suitable ground reflectivity and rear-side irradiance.

Bifacial Energy Generation: The rear side captures additional irradiance and can increase total module output beyond the front-side nameplate rating. Actual gain depends on installation height, ground reflectivity, row spacing, shading, and other site conditions.

Half-Cut Cell Architecture: The 144 half-cut cells are arranged in two parallel groups of 72 half cells in series, helping reduce electrical resistance and maintain better performance when portions of the module experience shading.

PERL Technology: The PI Series uses PERL technology to support high efficiency and improved performance under low-irradiance conditions.

Technical Specifications

Manufacturer Hyundai Energy Solutions
Series PI Series
Model Number HiS-S390PI
Rated Power (Pmax) 390 W
Module Efficiency 19.1%
Cell Type Monocrystalline, 9-Busbar, Bifacial
Cell Configuration 144 Half-Cut Bifacial Cells (2 Parallel × 72 Half Cells in Series)
Open Circuit Voltage (Voc) 48.5 V
Short Circuit Current (Isc) 10.18 A
Voltage at Pmax (Vmpp) 40.2 V
Current at Pmax (Impp) 9.72 A
Maximum System Voltage 1,500 V DC
Maximum Reverse Current 20 A
Temperature Coefficient Pmax -0.417%/K
Temperature Coefficient Voc -0.306%/K
Temperature Coefficient Isc +0.046%/K
NMOT 45°C ± 2°C
Operating Temperature -40°C to +85°C
Dimensions 2,039 × 1,001 × 40 mm (80.3 × 39.4 × 1.6 in)
Weight Approx. 22.2 kg (48.9 lbs)
Front Construction Anti-Reflection Coated Glass
Encapsulant EVA
Backsheet Transparent Backsheet with White Grid
Frame Clear Anodized Aluminum Alloy Type 6063
Junction Box IP68 Weatherproof, IEC Certified / UL Listed
Bypass Diodes 3
Output Cables 4 mm² (12 AWG), 1.4 m (55 in), Polarized Weatherproof Connectors

Bifacial Rear-Side Power Gain

Additional power generation based on rear-side irradiance. Actual bifacial gain depends on installation conditions.

Front-Side Rated Output 390 W
5% Additional Gain 410 W
15% Additional Gain 449 W
25% Additional Gain 488 W

Environmental Durability

Front Mechanical Load: 5,400 Pa (113 psf)

Rear Mechanical Load: 2,400 Pa (50 psf)

Corrosion Resistance: Designed and tested for demanding environmental conditions including salt-mist and ammonia exposure.

Weather Protection: IP68 weatherproof junction box with anti-reflection coated front glass and transparent bifacial backsheet.

Certifications & Warranty

System Voltage: UL / IEC 1,500V DC
Junction Box: IP68, IEC Certified / UL Listed
Output Connectors: Weatherproof, IEC Certified / UL Listed
Product Warranty: 12 Years
Performance Warranty: 25 Years
LID / PID: Designed to eliminate LID and PID according to manufacturer documentation

Ideal Applications

Commercial Solar: Well suited for commercial rooftop and ground-mounted solar installations requiring bifacial energy generation.

Utility-Scale Solar: The 1,500V system rating and high mechanical load ratings support utility-scale system designs.

Ground-Mount Systems: Bifacial generation can be particularly useful in ground-mounted systems where rear-side irradiance and ground reflectivity can be optimized.

Grid-Tied Projects: Suitable for grid-connected solar projects where long-term module performance and high-voltage system architecture are important.

Packing & Logistics

Pallet Quantity 27 Modules per Pallet
Container Quantity 756 Modules per Container / Truckload listing

● Available | Contact us for current pricing, inventory, and lead time

```
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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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