Kensol KS405MB5-SBS
Kensol KS405MB5-SBS
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Kensol KS405MB5-SBS

Kensol KS405MB5-SBS

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In Stock

Get yours today!

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9+ sold

In the last 7 days

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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.

Kensol KS405MB5-SBS 405W PERC Monocrystalline Shingled Solar Panel

Model KS405MB5-SBS | PERC Monocrystalline Shingled | 340 Shingled Cells | Monofacial | 1500V System Voltage

405 W
Max Power Output
20.7%
Module Efficiency
340
Shingled Cell Layout

Product Overview

The Kensol KS405MB5-SBS 405W PERC monocrystalline shingled solar panel is engineered for high efficiency and long term reliability in residential and commercial installations. Its shingled cell layout increases the active cell area and reduces power loss from traditional busbar shading, which helps deliver more energy from the same roof space. With a module efficiency of 20.7 percent and a rated power output of 405 watts at standard test conditions, this module supports compact arrays where usable area is limited. The panel has been designed by a Polish brand with strong distribution experience, offering a balanced combination of quality, performance, and value. A robust mechanical design, including a black anodized frame, 3.2 millimetre tempered glass, and IP68 junction box, ensures dependable operation in harsh weather conditions. Long term linear power and product warranties provide confidence that energy yield will remain stable across decades of operation. This module fits seamlessly into modern grid tied systems and is suitable for both rooftop and small ground mount projects in Poland and across Europe.

Key Benefits

High efficiency in a standard size module: Module efficiency up to 20.7 percent enables more power from limited roof areas while keeping a standard module footprint. This allows system designers to reach required system capacities with fewer panels and streamlined mounting layouts.

Advanced shingled PERC cell technology: Shingled monocrystalline cells are overlapped to reduce resistance losses and avoid busbar shading. This architecture improves current flow across the module and supports higher energy production under real world conditions.

Proven long term durability: A 25 year product warranty and 25 year linear power warranty, down to 84.80 percent of initial output, assure sustained performance. The module also features a tested operating temperature range from minus 40 to plus 85 degrees Celsius for resilience in varied climates.

Robust mechanical construction: The 3.2 millimetre toughened safety glass, EVA encapsulation, and black anodized aluminium frame provide structural strength. An IP68 junction box with two bypass diodes supports secure cable connections and protection against moisture and dust ingress.

Polish brand with local expertise: Kensol is a Polish brand backed by the expertise of one of the country’s largest PV distributors. Local market knowledge and support help ensure that planning, design, and after sales service remain straightforward for installers and investors.

How It Works

This module converts sunlight into usable electrical power through high efficiency PERC monocrystalline shingled cells connected in an optimized series and parallel layout. When light hits the cell surface, photons release electrons and generate direct current, which flows through the low resistance shingled interconnections. At standard test conditions the Kensol KS405MB5-SBS delivers a maximum power of 405 watts at 38.7 volts and 10.47 amps, providing a strong energy yield for grid tied systems. The panel connects to a compatible inverter via MC4 type connectors and one metre DC cables, allowing safe and quick wiring in the field. A high system voltage rating of 1500 volts enables longer string lengths, which can reduce cable runs and simplify balance of system design. Temperature coefficients are tightly controlled, so output remains stable across a wide range of ambient temperatures. Over time the linear warranty limits power degradation, ensuring that a significant share of the original output is maintained after twenty five years of operation.

Shingled monocrystalline cell layout: The module uses 340 monocrystalline shingled cells arranged in a dense layout to increase active area. By overlapping cell strips, gaps between cells are minimized and traditional front busbars are removed, which reduces shading and electrical resistance along the current path.

PERC technology and energy conversion: Passivated emitter and rear cell technology improves light capture by reflecting unabsorbed photons back into the cell. This leads to higher internal quantum efficiency and raises overall panel output, especially under moderate irradiance and elevated temperatures.

System integration and protection: The KS405MB5-SBS operates within DC systems up to 1500 volts and can be combined in long strings matched to modern string inverters. An IP68 rated junction box with two bypass diodes helps protect against hot spots in partial shading conditions and supports reliable long term operation in outdoor environments.

Technical Specifications

Module Type Kensol KS405MB5-SBS Monocrystalline Shingled PERC
Brand / Manufacturer Kensol Sp. z o. o., Poland
Cell Technology Monocrystalline PERC shingled cells
Cell Count and Layout 340 shingled cells (34 x 10)
Rated Maximum Power (Pmax, STC) 405 Wp
Module Efficiency (STC) 20.7%
Power Tolerance 0 to +1%
Open Circuit Voltage (Voc, STC) 46.5 V
Short Circuit Current (Isc, STC) 11.02 A
Voltage at Maximum Power (Vmpp, STC) 38.7 V
Current at Maximum Power (Impp, STC) 10.47 A
Maximum Power at NMOT 305 Wp
Voltage at Maximum Power (Vmpp, NMOT) 36.9 V
Current at Maximum Power (Impp, NMOT) 8.27 A
Open Circuit Voltage (Voc, NMOT) 44.3 V
Short Circuit Current (Isc, NMOT) 8.89 A
Maximum System Voltage 1500 V DC (IEC)
Series Fuse Rating 20 A
Operating Temperature Range -40°C to +85°C
Temperature Coefficient of Pmax -0.34% / °C
Temperature Coefficient of Voc -0.27% / °C
Temperature Coefficient of Isc +0.04% / °C
Panel Dimensions (L x W x H) 1719 x 1140 x 30 mm
Weight 21 kg
Front Glass 3.2 mm white toughened safety glass
Encapsulant EVA (Ethylene Vinyl Acetate)
Backsheet White composite film, white backsheet
Frame Black anodized aluminium profile
Junction Box IP68 rated, two bypass diodes
Connector Type MC4 compatible connectors
Cable Length 1000 mm DC cables
Total Degradation after 25 Years 84.80% power retention (linear warranty)

Certifications & Compliance

Certifications: Designed in line with major IEC PV module standards; detailed certification list is provided on request or in the official Kensol documentation.
Inverter Compatibility: Suitable for most modern string and hybrid inverters supporting 1500 V DC system voltage and compatible DC input windows.
Environmental: Engineered for outdoor installation with IP68 junction box protection, toughened safety glass, and wide operating temperature range from -40°C to +85°C.
Warranty: 25 year product warranty and 25 year linear power warranty with guaranteed output of 84.80 percent of the initial power at year twenty five, subject to Kensol warranty terms and conditions.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

Customer Reviews

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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.

Kensol KS405MB5-SBS 405W PERC Monocrystalline Shingled Solar Panel

Model KS405MB5-SBS | PERC Monocrystalline Shingled | 340 Shingled Cells | Monofacial | 1500V System Voltage

405 W
Max Power Output
20.7%
Module Efficiency
340
Shingled Cell Layout

Product Overview

The Kensol KS405MB5-SBS 405W PERC monocrystalline shingled solar panel is engineered for high efficiency and long term reliability in residential and commercial installations. Its shingled cell layout increases the active cell area and reduces power loss from traditional busbar shading, which helps deliver more energy from the same roof space. With a module efficiency of 20.7 percent and a rated power output of 405 watts at standard test conditions, this module supports compact arrays where usable area is limited. The panel has been designed by a Polish brand with strong distribution experience, offering a balanced combination of quality, performance, and value. A robust mechanical design, including a black anodized frame, 3.2 millimetre tempered glass, and IP68 junction box, ensures dependable operation in harsh weather conditions. Long term linear power and product warranties provide confidence that energy yield will remain stable across decades of operation. This module fits seamlessly into modern grid tied systems and is suitable for both rooftop and small ground mount projects in Poland and across Europe.

Key Benefits

High efficiency in a standard size module: Module efficiency up to 20.7 percent enables more power from limited roof areas while keeping a standard module footprint. This allows system designers to reach required system capacities with fewer panels and streamlined mounting layouts.

Advanced shingled PERC cell technology: Shingled monocrystalline cells are overlapped to reduce resistance losses and avoid busbar shading. This architecture improves current flow across the module and supports higher energy production under real world conditions.

Proven long term durability: A 25 year product warranty and 25 year linear power warranty, down to 84.80 percent of initial output, assure sustained performance. The module also features a tested operating temperature range from minus 40 to plus 85 degrees Celsius for resilience in varied climates.

Robust mechanical construction: The 3.2 millimetre toughened safety glass, EVA encapsulation, and black anodized aluminium frame provide structural strength. An IP68 junction box with two bypass diodes supports secure cable connections and protection against moisture and dust ingress.

Polish brand with local expertise: Kensol is a Polish brand backed by the expertise of one of the country’s largest PV distributors. Local market knowledge and support help ensure that planning, design, and after sales service remain straightforward for installers and investors.

How It Works

This module converts sunlight into usable electrical power through high efficiency PERC monocrystalline shingled cells connected in an optimized series and parallel layout. When light hits the cell surface, photons release electrons and generate direct current, which flows through the low resistance shingled interconnections. At standard test conditions the Kensol KS405MB5-SBS delivers a maximum power of 405 watts at 38.7 volts and 10.47 amps, providing a strong energy yield for grid tied systems. The panel connects to a compatible inverter via MC4 type connectors and one metre DC cables, allowing safe and quick wiring in the field. A high system voltage rating of 1500 volts enables longer string lengths, which can reduce cable runs and simplify balance of system design. Temperature coefficients are tightly controlled, so output remains stable across a wide range of ambient temperatures. Over time the linear warranty limits power degradation, ensuring that a significant share of the original output is maintained after twenty five years of operation.

Shingled monocrystalline cell layout: The module uses 340 monocrystalline shingled cells arranged in a dense layout to increase active area. By overlapping cell strips, gaps between cells are minimized and traditional front busbars are removed, which reduces shading and electrical resistance along the current path.

PERC technology and energy conversion: Passivated emitter and rear cell technology improves light capture by reflecting unabsorbed photons back into the cell. This leads to higher internal quantum efficiency and raises overall panel output, especially under moderate irradiance and elevated temperatures.

System integration and protection: The KS405MB5-SBS operates within DC systems up to 1500 volts and can be combined in long strings matched to modern string inverters. An IP68 rated junction box with two bypass diodes helps protect against hot spots in partial shading conditions and supports reliable long term operation in outdoor environments.

Technical Specifications

Module Type Kensol KS405MB5-SBS Monocrystalline Shingled PERC
Brand / Manufacturer Kensol Sp. z o. o., Poland
Cell Technology Monocrystalline PERC shingled cells
Cell Count and Layout 340 shingled cells (34 x 10)
Rated Maximum Power (Pmax, STC) 405 Wp
Module Efficiency (STC) 20.7%
Power Tolerance 0 to +1%
Open Circuit Voltage (Voc, STC) 46.5 V
Short Circuit Current (Isc, STC) 11.02 A
Voltage at Maximum Power (Vmpp, STC) 38.7 V
Current at Maximum Power (Impp, STC) 10.47 A
Maximum Power at NMOT 305 Wp
Voltage at Maximum Power (Vmpp, NMOT) 36.9 V
Current at Maximum Power (Impp, NMOT) 8.27 A
Open Circuit Voltage (Voc, NMOT) 44.3 V
Short Circuit Current (Isc, NMOT) 8.89 A
Maximum System Voltage 1500 V DC (IEC)
Series Fuse Rating 20 A
Operating Temperature Range -40°C to +85°C
Temperature Coefficient of Pmax -0.34% / °C
Temperature Coefficient of Voc -0.27% / °C
Temperature Coefficient of Isc +0.04% / °C
Panel Dimensions (L x W x H) 1719 x 1140 x 30 mm
Weight 21 kg
Front Glass 3.2 mm white toughened safety glass
Encapsulant EVA (Ethylene Vinyl Acetate)
Backsheet White composite film, white backsheet
Frame Black anodized aluminium profile
Junction Box IP68 rated, two bypass diodes
Connector Type MC4 compatible connectors
Cable Length 1000 mm DC cables
Total Degradation after 25 Years 84.80% power retention (linear warranty)

Certifications & Compliance

Certifications: Designed in line with major IEC PV module standards; detailed certification list is provided on request or in the official Kensol documentation.
Inverter Compatibility: Suitable for most modern string and hybrid inverters supporting 1500 V DC system voltage and compatible DC input windows.
Environmental: Engineered for outdoor installation with IP68 junction box protection, toughened safety glass, and wide operating temperature range from -40°C to +85°C.
Warranty: 25 year product warranty and 25 year linear power warranty with guaranteed output of 84.80 percent of the initial power at year twenty five, subject to Kensol warranty terms and conditions.

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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