Risun 345
Risun 345
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Risun 345

Risun 345

OEM Authorized Dealer BABA Compliant Full OEM Warranty 7-10 Business Day Delivery

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truck
In Stock

Get yours today!

truck
9+ sold

In the last 7 days

truck
Flat Rate Shipping - Calculated at Checkout

Delivery timeframe shown above at checkout

Lifetime Customer Support

Unlimited lifetime support, always available.

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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.

Risun 345 Polycrystalline 345W Standard Solar Panel

Model Risun 345 | Polycrystalline | 144 Half-Cell Polycrystalline Cells | Monofacial | 1500V System Voltage

345 Wp
Max Power Output
17.4%
Module Efficiency
144 Cells
Polycrystalline

Product Overview

The Risun 345 polycrystalline solar panel delivers reliable 345 Wp output with stable performance for residential and commercial systems. This high quality module is engineered around 144 polycrystalline cells and a durable anodized aluminium frame to support long term outdoor use. Module efficiency reaches up to 17.4 percent, so more power can be harvested from limited roof or ground space. The panel operates comfortably across a wide temperature range from minus 40 to 85 degrees Celsius, which suits harsh weather regions. A 10 year product warranty and 25 year power warranty are provided for long term energy generation confidence. With a maximum system voltage of 1500 volts, the module integrates easily into modern high voltage string designs. The Risun 345 polycrystalline solar panel from Jiangxi Risun Solar Energy Co., Ltd., China, offers a dependable balance of output, durability and value. Designed for grid tied and off grid projects, it supports efficient clean energy production with minimal maintenance.

Key Benefits

Stable 345 Wp output: Rated maximum power of 345 Wp supports strong system yields in most installation conditions.

High efficiency in compact area: Module efficiency up to 17.4 percent allows more kilowatt hours from limited mounting space.

Long term performance warranty: A 25 year power warranty with 80 percent output retention supports predictable energy production over time.

Robust construction for harsh climates: Tempered glass, anodized aluminium frame and IP67 junction box improve durability in challenging environments.

Flexible system design: Support for 1500 volt systems and 15 amp series fuse rating enables longer strings and efficient layouts.

Tight power tolerance: Power tolerance from 0 to plus 1.5 percent helps secure consistent array performance without negative deviation.

How It Works

The Risun 345 polycrystalline solar panel converts sunlight into direct current electricity through its 144 interconnected silicon cells. When photons strike the polycrystalline cells, electrical charge carriers are generated and collected by the cell busbars. The resulting current flows through the series connected cell strings, building the panel’s operating voltage and power. At standard test conditions, the module delivers 345 Wp at a maximum power voltage of 39.01 volts and current of 8.84 amps. An open circuit voltage of 46.38 volts and short circuit current of 9.31 amps define the electrical limits used in array design. The module connects into a solar inverter using factory fitted 4 mm² cables and the integrated junction box. The inverter converts the direct current output into usable alternating current for on site loads or export to the grid. Across its lifetime, the panel experiences gradual power degradation, limited by the 0.8 percent annual rate stated in the warranty. This controlled degradation ensures that at 25 years the module still delivers at least 80 percent of its original rated power.

Energy generation from sunlight: Sunlight hits the polycrystalline silicon cells and releases electrons within the semiconductor material. The cell structure and front grid guide these electrons into an electrical circuit, creating a steady direct current flow.

Power optimisation at maximum power point: During operation, the panel works close to its maximum power point at 39.01 volts and 8.84 amps. Modern inverters track this point to maximise harvested energy while staying within the module’s safe operating window.

System integration and protection: Modules are wired in series and parallel up to a 1500 volt system design, respecting the 15 amp series fuse rating. The IP67 junction box and robust cabling help protect electrical connections against moisture, dust and thermal stress over many years.

Technical Specifications

Module Type Polycrystalline standard solar panel
Model Number Risun 345
Power Range 325 to 345 Wp
Maximum Power (Pmax) 345 Wp
Power Tolerance 0 to +1.5 %
Panel Efficiency 16.4 to 17.4 % (up to 17.4 % at 345 Wp)
Voltage at Maximum Power (Vmpp) 39.01 V
Current at Maximum Power (Impp) 8.84 A
Open Circuit Voltage (Voc) 46.38 V
Short Circuit Current (Isc) 9.31 A
Maximum System Voltage 1500 V
Series Fuse Rating 15 A
Nominal Operating Temperature 45 ± 2 °C
Operating Temperature Range -40 °C to +85 °C
Temperature Coefficient of Pmax -0.416 % per °C
Temperature Coefficient of Voc -0.309 % per °C
Temperature Coefficient of Isc 0.049 % per °C
Panel Dimensions (H × W × D) 2000 × 992 × 40 mm
Weight 22 kg
Cell Count and Layout 144 polycrystalline cells
Glass Type and Thickness 3.2 mm tempered glass
Frame Material Anodized aluminium frame
Junction Box Protection Class IP67 rated junction box
Cable Cross Section 4 mm² solar cable
Seller / Manufacturer Jiangxi Risun Solar Energy Co., Ltd., China

Certifications & Compliance

Certifications: Factory tested for reliability and safety with IP67 junction box protection for outdoor use.
Inverter Compatibility: Compatible with most modern string and central inverters designed for 1500 V systems.
Environmental: Designed for operation from -40 °C to +85 °C with robust glass and frame construction.
Warranty: 10 year product warranty against manufacturing defects and 25 year performance warranty to 80 % of rated power with 0.8 % annual degradation rate.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

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.

Risun 345 Polycrystalline 345W Standard Solar Panel

Model Risun 345 | Polycrystalline | 144 Half-Cell Polycrystalline Cells | Monofacial | 1500V System Voltage

345 Wp
Max Power Output
17.4%
Module Efficiency
144 Cells
Polycrystalline

Product Overview

The Risun 345 polycrystalline solar panel delivers reliable 345 Wp output with stable performance for residential and commercial systems. This high quality module is engineered around 144 polycrystalline cells and a durable anodized aluminium frame to support long term outdoor use. Module efficiency reaches up to 17.4 percent, so more power can be harvested from limited roof or ground space. The panel operates comfortably across a wide temperature range from minus 40 to 85 degrees Celsius, which suits harsh weather regions. A 10 year product warranty and 25 year power warranty are provided for long term energy generation confidence. With a maximum system voltage of 1500 volts, the module integrates easily into modern high voltage string designs. The Risun 345 polycrystalline solar panel from Jiangxi Risun Solar Energy Co., Ltd., China, offers a dependable balance of output, durability and value. Designed for grid tied and off grid projects, it supports efficient clean energy production with minimal maintenance.

Key Benefits

Stable 345 Wp output: Rated maximum power of 345 Wp supports strong system yields in most installation conditions.

High efficiency in compact area: Module efficiency up to 17.4 percent allows more kilowatt hours from limited mounting space.

Long term performance warranty: A 25 year power warranty with 80 percent output retention supports predictable energy production over time.

Robust construction for harsh climates: Tempered glass, anodized aluminium frame and IP67 junction box improve durability in challenging environments.

Flexible system design: Support for 1500 volt systems and 15 amp series fuse rating enables longer strings and efficient layouts.

Tight power tolerance: Power tolerance from 0 to plus 1.5 percent helps secure consistent array performance without negative deviation.

How It Works

The Risun 345 polycrystalline solar panel converts sunlight into direct current electricity through its 144 interconnected silicon cells. When photons strike the polycrystalline cells, electrical charge carriers are generated and collected by the cell busbars. The resulting current flows through the series connected cell strings, building the panel’s operating voltage and power. At standard test conditions, the module delivers 345 Wp at a maximum power voltage of 39.01 volts and current of 8.84 amps. An open circuit voltage of 46.38 volts and short circuit current of 9.31 amps define the electrical limits used in array design. The module connects into a solar inverter using factory fitted 4 mm² cables and the integrated junction box. The inverter converts the direct current output into usable alternating current for on site loads or export to the grid. Across its lifetime, the panel experiences gradual power degradation, limited by the 0.8 percent annual rate stated in the warranty. This controlled degradation ensures that at 25 years the module still delivers at least 80 percent of its original rated power.

Energy generation from sunlight: Sunlight hits the polycrystalline silicon cells and releases electrons within the semiconductor material. The cell structure and front grid guide these electrons into an electrical circuit, creating a steady direct current flow.

Power optimisation at maximum power point: During operation, the panel works close to its maximum power point at 39.01 volts and 8.84 amps. Modern inverters track this point to maximise harvested energy while staying within the module’s safe operating window.

System integration and protection: Modules are wired in series and parallel up to a 1500 volt system design, respecting the 15 amp series fuse rating. The IP67 junction box and robust cabling help protect electrical connections against moisture, dust and thermal stress over many years.

Technical Specifications

Module Type Polycrystalline standard solar panel
Model Number Risun 345
Power Range 325 to 345 Wp
Maximum Power (Pmax) 345 Wp
Power Tolerance 0 to +1.5 %
Panel Efficiency 16.4 to 17.4 % (up to 17.4 % at 345 Wp)
Voltage at Maximum Power (Vmpp) 39.01 V
Current at Maximum Power (Impp) 8.84 A
Open Circuit Voltage (Voc) 46.38 V
Short Circuit Current (Isc) 9.31 A
Maximum System Voltage 1500 V
Series Fuse Rating 15 A
Nominal Operating Temperature 45 ± 2 °C
Operating Temperature Range -40 °C to +85 °C
Temperature Coefficient of Pmax -0.416 % per °C
Temperature Coefficient of Voc -0.309 % per °C
Temperature Coefficient of Isc 0.049 % per °C
Panel Dimensions (H × W × D) 2000 × 992 × 40 mm
Weight 22 kg
Cell Count and Layout 144 polycrystalline cells
Glass Type and Thickness 3.2 mm tempered glass
Frame Material Anodized aluminium frame
Junction Box Protection Class IP67 rated junction box
Cable Cross Section 4 mm² solar cable
Seller / Manufacturer Jiangxi Risun Solar Energy Co., Ltd., China

Certifications & Compliance

Certifications: Factory tested for reliability and safety with IP67 junction box protection for outdoor use.
Inverter Compatibility: Compatible with most modern string and central inverters designed for 1500 V systems.
Environmental: Designed for operation from -40 °C to +85 °C with robust glass and frame construction.
Warranty: 10 year product warranty against manufacturing defects and 25 year performance warranty to 80 % of rated power with 0.8 % annual degradation rate.

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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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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