Topsky Energy TP156-590M/MB-9
Topsky Energy TP156-590M/MB-9
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Topsky Energy TP156-590M/MB-9

Topsky Energy TP156-590M/MB-9

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Unlimited lifetime support, always available.

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Specifications

Length 590 m

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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.

Topsky Energy TP156-590M/MB-9 585–605W Mono PERC Half-Cell Solar Panel

Model TP156-590M/MB-9 | Mono PERC | 156 Half-Cells 182×182 mm | Monofacial | 1500V System Voltage

590 Wp
Max Power Output
21.0%
Module Efficiency
156
Mono PERC Half-Cells

Product Overview

The Topsky Energy TP156-590M/MB-9 585–605W Mono PERC Half-Cell Solar Panel delivers high power density in a robust, utility‑scale format. This monocrystalline module combines advanced PERC cell technology with 156 half‑cut 182×182 mm cells to reach up to 605 Wp across the series and a module efficiency up to 21.6%. With a rated maximum power of 590 Wp at standard test conditions, it is ideal for commercial rooftops, ground‑mount arrays, and large solar fields where each square meter must be used efficiently. Engineered for a maximum system voltage of 1500 V, it integrates easily into modern string and central inverter designs while helping to minimize balance‑of‑system costs. The module uses 3.2 mm high‑transmission tempered glass with anti‑reflection coating and a durable backsheet to protect against harsh outdoor environments. Thanks to low temperature coefficients, a low total degradation rate of 0.68% per year, and a 12‑year product warranty, this panel provides stable long‑term output for investors and installers. Whether the project is a new build or a system expansion, this panel offers a reliable blend of performance, durability, and strong warranty coverage.

Key Benefits

High power output for large projects: With a nominal power rating of 590 Wp and a series range from 585 Wp to 605 Wp, each module delivers strong energy yield per unit. This helps reduce the number of panels needed and can lower mounting, cabling, and labor costs on large installations.

Efficient Mono PERC half‑cell design: High‑efficiency monocrystalline PERC cells combined with half‑cut architecture reduce resistive losses and improve performance. Module efficiency in the range of 20.9% to 21.6% allows more power generation from the same footprint.

Reliable energy production over time: A linear performance warranty supports 90% of the initial power at 12 years and 83.1% at 25 years. This slow degradation profile helps secure long‑term project returns and supports bankability requirements.

Robust construction for harsh environments: The module features 3.2 mm tempered glass with anti‑reflection coating and a durable encapsulation stack. Certified resistance to potential induced degradation, salt mist, and ammonia, as noted in the series datasheet, supports deployment in coastal and agricultural sites.

System‑friendly electrical design: A maximum system voltage of 1500 V, positive power tolerance, and optimized current levels make string design flexible. This simplifies integration with modern inverters and allows longer strings, which can help reduce BOS expenditure.

How It Works

This Mono PERC half‑cell solar panel converts sunlight into usable direct current electricity through advanced crystalline silicon cells. Each of the 156 half‑cut 182×182 mm mono cells is treated with passivated emitter and rear cell technology, which increases light capture and reduces recombination losses. When sunlight strikes the module surface, photons are absorbed in the silicon lattice and free electrons are driven into an electrical circuit. The half‑cell layout divides each full cell into two parts, which lowers resistive losses and improves performance under partial shading. Optimized electrical parameters such as 44.8 V voltage at maximum power and 13.17 A current at maximum power help match modern inverter input ranges. A carefully engineered glass, encapsulant, and backsheet stack protects the cells, allowing consistent operation across a wide temperature range from −40°C to 85°C.

Mono PERC cell conversion: Monocrystalline PERC cells use a high‑purity silicon wafer and a passivated rear surface to capture more light. Light that passes through the cell is reflected back for a second absorption chance, which increases energy conversion efficiency and supports the 585–605 Wp power range of the series.

Half‑cut cell and multi‑busbar layout: The cells are cut into halves and connected using multi‑busbar technology to shorten current paths and reduce resistive heating. This design improves output under high irradiance, enhances shade tolerance, and reduces the risk of hot‑spot formation across the module surface.

Thermal and environmental management: A low temperature coefficient of power at −0.35% per °C helps the panel maintain output as cell temperatures rise above standard conditions. Combined with tempered glass, EVA encapsulant, and a durable back cover, the module withstands mechanical loads and aggressive environments while preserving long‑term performance.

Technical Specifications

Module Type Monocrystalline Mono PERC Half-Cell Solar Module
Model Number TP156-590M/MB-9
Power Range (Series) 585 Wp – 605 Wp
Maximum Power (Pmax, STC) 590 Wp
Module Efficiency (Range) 20.9% – 21.6%
Module Efficiency (590 Wp) 21.0%
Voltage at Maximum Power (Vmpp, STC) 44.8 V
Current at Maximum Power (Impp, STC) 13.17 A
Open Circuit Voltage (Voc, STC) 53.3 V
Short Circuit Current (Isc, STC) 13.93 A
Pmax at NOCT (590 Wp Type) 446 Wp
Vmpp at NOCT (590 Wp Type) 42.82 V
Impp at NOCT (590 Wp Type) 10.42 A
Voc at NOCT (590 Wp Type) 50.72 V
Isc at NOCT (590 Wp Type) 11.13 A
Power Tolerance 0 ~ +3%
Total Degradation Rate 0.68% per year (linear)
Nominal Operating Cell Temperature (NOCT) 43 ± 2 °C
Operating Temperature Range −40 °C to +85 °C
Temperature Coefficient of Pmax −0.35 % / °C
Temperature Coefficient of Voc −0.275 % / °C
Temperature Coefficient of Isc +0.045 % / °C
Maximum System Voltage 1500 V DC
Series Fuse Rating 25 A
Cell Size 182 × 182 mm mono cells
Cell Count and Layout 156 half-cells (6 × 13 × 2)
Module Dimensions (H × W × D) 2465 × 1134 × 35 mm
Weight 30 kg
Front Glass 3.2 mm tempered glass with anti-reflection coating, high transmission, low iron
Encapsulant Type EVA
Back Cover Type TP backsheet
Junction Box Rating IP68, three diodes (series datasheet)
Cable and Connector TÜV approved cable, 1 × 4.0 mm², typical length 300+/400− mm
Manufacturer / Seller Topsky Energy Co., Ltd, China

Certifications & Compliance

Certifications: IEC 61215, IEC 61730, IEC 61701 (salt mist), IEC 62716 (ammonia), ISO 9001, ISO 14001, ISO 14064 (as per series datasheet).
Inverter Compatibility: Designed for use with modern string and central inverters supporting 1500 V DC systems and high‑current MPPT inputs.
Environmental: PID‑resistant design with high salt mist and ammonia resistance, suitable for coastal, agricultural, and industrial environments.
Warranty: 12‑year product warranty plus linear power warranty with 90% power at 12 years and 83.1% at 25 years, based on a 0.68% annual degradation rate.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

Customer Reviews

Be the first to write a review
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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.

Topsky Energy TP156-590M/MB-9 585–605W Mono PERC Half-Cell Solar Panel

Model TP156-590M/MB-9 | Mono PERC | 156 Half-Cells 182×182 mm | Monofacial | 1500V System Voltage

590 Wp
Max Power Output
21.0%
Module Efficiency
156
Mono PERC Half-Cells

Product Overview

The Topsky Energy TP156-590M/MB-9 585–605W Mono PERC Half-Cell Solar Panel delivers high power density in a robust, utility‑scale format. This monocrystalline module combines advanced PERC cell technology with 156 half‑cut 182×182 mm cells to reach up to 605 Wp across the series and a module efficiency up to 21.6%. With a rated maximum power of 590 Wp at standard test conditions, it is ideal for commercial rooftops, ground‑mount arrays, and large solar fields where each square meter must be used efficiently. Engineered for a maximum system voltage of 1500 V, it integrates easily into modern string and central inverter designs while helping to minimize balance‑of‑system costs. The module uses 3.2 mm high‑transmission tempered glass with anti‑reflection coating and a durable backsheet to protect against harsh outdoor environments. Thanks to low temperature coefficients, a low total degradation rate of 0.68% per year, and a 12‑year product warranty, this panel provides stable long‑term output for investors and installers. Whether the project is a new build or a system expansion, this panel offers a reliable blend of performance, durability, and strong warranty coverage.

Key Benefits

High power output for large projects: With a nominal power rating of 590 Wp and a series range from 585 Wp to 605 Wp, each module delivers strong energy yield per unit. This helps reduce the number of panels needed and can lower mounting, cabling, and labor costs on large installations.

Efficient Mono PERC half‑cell design: High‑efficiency monocrystalline PERC cells combined with half‑cut architecture reduce resistive losses and improve performance. Module efficiency in the range of 20.9% to 21.6% allows more power generation from the same footprint.

Reliable energy production over time: A linear performance warranty supports 90% of the initial power at 12 years and 83.1% at 25 years. This slow degradation profile helps secure long‑term project returns and supports bankability requirements.

Robust construction for harsh environments: The module features 3.2 mm tempered glass with anti‑reflection coating and a durable encapsulation stack. Certified resistance to potential induced degradation, salt mist, and ammonia, as noted in the series datasheet, supports deployment in coastal and agricultural sites.

System‑friendly electrical design: A maximum system voltage of 1500 V, positive power tolerance, and optimized current levels make string design flexible. This simplifies integration with modern inverters and allows longer strings, which can help reduce BOS expenditure.

How It Works

This Mono PERC half‑cell solar panel converts sunlight into usable direct current electricity through advanced crystalline silicon cells. Each of the 156 half‑cut 182×182 mm mono cells is treated with passivated emitter and rear cell technology, which increases light capture and reduces recombination losses. When sunlight strikes the module surface, photons are absorbed in the silicon lattice and free electrons are driven into an electrical circuit. The half‑cell layout divides each full cell into two parts, which lowers resistive losses and improves performance under partial shading. Optimized electrical parameters such as 44.8 V voltage at maximum power and 13.17 A current at maximum power help match modern inverter input ranges. A carefully engineered glass, encapsulant, and backsheet stack protects the cells, allowing consistent operation across a wide temperature range from −40°C to 85°C.

Mono PERC cell conversion: Monocrystalline PERC cells use a high‑purity silicon wafer and a passivated rear surface to capture more light. Light that passes through the cell is reflected back for a second absorption chance, which increases energy conversion efficiency and supports the 585–605 Wp power range of the series.

Half‑cut cell and multi‑busbar layout: The cells are cut into halves and connected using multi‑busbar technology to shorten current paths and reduce resistive heating. This design improves output under high irradiance, enhances shade tolerance, and reduces the risk of hot‑spot formation across the module surface.

Thermal and environmental management: A low temperature coefficient of power at −0.35% per °C helps the panel maintain output as cell temperatures rise above standard conditions. Combined with tempered glass, EVA encapsulant, and a durable back cover, the module withstands mechanical loads and aggressive environments while preserving long‑term performance.

Technical Specifications

Module Type Monocrystalline Mono PERC Half-Cell Solar Module
Model Number TP156-590M/MB-9
Power Range (Series) 585 Wp – 605 Wp
Maximum Power (Pmax, STC) 590 Wp
Module Efficiency (Range) 20.9% – 21.6%
Module Efficiency (590 Wp) 21.0%
Voltage at Maximum Power (Vmpp, STC) 44.8 V
Current at Maximum Power (Impp, STC) 13.17 A
Open Circuit Voltage (Voc, STC) 53.3 V
Short Circuit Current (Isc, STC) 13.93 A
Pmax at NOCT (590 Wp Type) 446 Wp
Vmpp at NOCT (590 Wp Type) 42.82 V
Impp at NOCT (590 Wp Type) 10.42 A
Voc at NOCT (590 Wp Type) 50.72 V
Isc at NOCT (590 Wp Type) 11.13 A
Power Tolerance 0 ~ +3%
Total Degradation Rate 0.68% per year (linear)
Nominal Operating Cell Temperature (NOCT) 43 ± 2 °C
Operating Temperature Range −40 °C to +85 °C
Temperature Coefficient of Pmax −0.35 % / °C
Temperature Coefficient of Voc −0.275 % / °C
Temperature Coefficient of Isc +0.045 % / °C
Maximum System Voltage 1500 V DC
Series Fuse Rating 25 A
Cell Size 182 × 182 mm mono cells
Cell Count and Layout 156 half-cells (6 × 13 × 2)
Module Dimensions (H × W × D) 2465 × 1134 × 35 mm
Weight 30 kg
Front Glass 3.2 mm tempered glass with anti-reflection coating, high transmission, low iron
Encapsulant Type EVA
Back Cover Type TP backsheet
Junction Box Rating IP68, three diodes (series datasheet)
Cable and Connector TÜV approved cable, 1 × 4.0 mm², typical length 300+/400− mm
Manufacturer / Seller Topsky Energy Co., Ltd, China

Certifications & Compliance

Certifications: IEC 61215, IEC 61730, IEC 61701 (salt mist), IEC 62716 (ammonia), ISO 9001, ISO 14001, ISO 14064 (as per series datasheet).
Inverter Compatibility: Designed for use with modern string and central inverters supporting 1500 V DC systems and high‑current MPPT inputs.
Environmental: PID‑resistant design with high salt mist and ammonia resistance, suitable for coastal, agricultural, and industrial environments.
Warranty: 12‑year product warranty plus linear power warranty with 90% power at 12 years and 83.1% at 25 years, based on a 0.68% 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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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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