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TSEC 540W Solar Panel (TS66-CMH- H1)

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TSEC 540W Solar Panel (TS66-CMH- H1)

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SKU PES-SPS-SOL-20459

OEM Authorized Dealer Full OEM Warranty

$180.00 USD

~~$0.01~~ $180.00 USD

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Sold by the pallet (10) — PowerLink & trade: request 10+

Sold by the pallet (10) PowerLink Network & trade customers can request 10+ →$0.33/W

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Ships via LTL freight — palletized, liftgate available. Our team confirms freight details within 1 business day.

SKU: PES-SPS-SOL-20459
Unit price: $0.33/W
Min purchase: 10 pcs

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Available to Order

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TSEC 540W Solar Panel (TS66-CMH- H1) $180.00

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What is your return policy?

Returns are accepted within 30 days of delivery and require an RMA number. Returns of non-defective items carry a 40% restocking fee per our Refund Policy; defective, damaged-in-transit, or mis-shipped items are exempt. Special-order items are final sale.

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Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

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All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

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.

TSEC TS66-CMH-540 H1 540W TOPCon Monocrystalline Solar Panel

Model TS66-CMH-540 H1 | N-Type TOPCon | 132 Monocrystalline Cells | Monofacial | 1500V System Voltage

540W

Max Power Output

22.8%

Module Efficiency

132 Cells

N-Type TOPCon

Product Overview

The TSEC TS66-CMH-540 H1 540W TOPCon monocrystalline solar panel delivers high efficiency and long-term reliability for demanding projects. This advanced module uses N-Type TOPCon cell technology to achieve strong output in real-world conditions. With a power rating of 540W and panel efficiency up to 22.8%, it allows more energy generation from limited roof or ground space. A robust 12-year product warranty is paired with a 30-year linear power warranty, supporting long investment horizons. Degradation is limited, with 91.4% power guaranteed at 20 years and 87.4% at 30 years. Engineered for harsh outdoor environments, the module operates from -40°C to +85°C and carries an IP68 junction box rating. Its 1500V system voltage design suits large commercial, industrial, and utility-scale systems. Made in Taiwan by TSEC Corporation, this module combines premium build quality with advanced solar cell technology for bankable performance.

Key Benefits

High power density: A 540W output and up to 22.8% efficiency allow more energy from the same footprint, ideal where space is valuable.

Advanced TOPCon technology: N-Type TOPCon cells improve temperature behavior and low light response, helping deliver stable daily energy yield.

Extended performance warranties: A 12-year product warranty and 30-year linear power warranty support long-term project bankability and financial planning.

Reliable in harsh climates: The wide operating temperature range and IP68 junction box enable dependable operation in challenging environmental conditions.

Compatible with modern systems: A 1500V system rating, 25A series fuse value, and standard connectors support integration with many string inverters and mounting layouts.

How It Works

This TSEC TOPCon monocrystalline solar panel converts sunlight into clean DC electricity using high-efficiency N-Type solar cells. The 132-cell layout is designed to balance voltage and current, maximizing usable power under standard test conditions. When sunlight hits the 182mm monocrystalline TOPCon cells, photons are absorbed and free electrons are generated. These electrons move through the cell structure, creating direct current that flows through the internal wiring and junction box. The module then feeds this DC power to an external inverter, which converts it to AC electricity for on-site use or grid export. Optimized temperature coefficients help preserve output on hot days, while strong low light response supports energy production during mornings, evenings, and overcast weather. Over its lifetime, carefully controlled degradation ensures a predictable power curve and supports accurate yield forecasting.

N-Type TOPCon cell structure: N-Type TOPCon cells reduce recombination losses inside the silicon, which helps more of the captured light become electrical energy. Their design typically delivers better efficiency and improved resistance to light-induced degradation compared with conventional P-type cells.

Optimized electrical parameters: At 540W, the module operates with a Vmpp of about 40.64V and Impp around 13.29A under STC. This balance of voltage and current enables flexible string design, supports longer strings in 1500V systems, and assists in reducing overall system BOS costs.

Thermal and environmental resilience: The module’s temperature coefficients limit performance losses as cell temperature rises during operation. An operating range from -40°C to +85°C, combined with IP68 junction box protection, keeps critical components shielded from moisture, dust, and other outdoor stresses.

Technical Specifications

Manufacturer / Brand	TSEC Corporation
Model Number	TS66-CMH-540 H1
Cell Type and Technology	Monocrystalline N-Type TOPCon solar cells, 182mm
Cell Count per Module	132 monocrystalline cells
Power Range for Series	525W to 555W module series (TS66-CMH-525 to 555 H1)
Maximum Power (Pmax)	540 Wp at STC
Module Efficiency	Up to 22.8% module efficiency
Power Tolerance	-3% to +3% power tolerance at STC
Voltage at Maximum Power (Vmpp)	40.64 V
Current at Maximum Power (Impp)	13.29 A
Open Circuit Voltage (Voc)	47.35 V
Short Circuit Current (Isc)	14.01 A
Nominal Operating Cell Temperature (NOCT)	45 ± 2 °C
Operating Temperature Range	-40 °C to +85 °C
Temperature Coefficient of Pmax	-0.29 % / °C
Temperature Coefficient of Voc	-0.25 % / °C
Temperature Coefficient of Isc	+0.045 % / °C
Maximum System Voltage	1500 V DC (IEC)
Series Fuse Rating	25 A
Front Glass	PV coated glass with low WVTR encapsulation
Backsheet and Frame	Durable backsheet with anti-salt mist frame, black frame finish
Junction Box Protection	IP68 junction box with 3 bypass diodes
Cable Specification	1500 mm length, 4 mm² cross-section, EVO-2 compatible connectors
Module Dimensions (H x W x D)	2093 x 1134 x 35 mm
Weight	25.5 kg
Maximum Mechanical Load	Up to 5400 Pa (as per datasheet series information)
Country of Manufacture	Made in Taiwan

Certifications & Compliance

Certifications: IEC 61215:2021, IEC 61730-1:2021, IEC 61730-2:2021, UL 61730, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 (certification in progress for some standards as per manufacturer).
Inverter Compatibility: Designed for modern 1500V string and central inverter systems; use with compatible MPPT voltage ranges as recommended by your system designer.
Environmental: Anti-salt mist frame construction and IP68 junction box support use in coastal and high-humidity environments when installed to TSEC guidelines.
Warranty: 12-year materials and workmanship warranty plus 30-year linear power warranty, guaranteeing approximately 91.4% output at 20 years and 87.4% at 30 years under standard conditions.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

What is your return policy?

What’s covered by your return policy?

How long will it take to receive my order?

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?

TSEC TS66-CMH-540 H1 540W TOPCon Monocrystalline Solar Panel

Model TS66-CMH-540 H1 | N-Type TOPCon | 132 Monocrystalline Cells | Monofacial | 1500V System Voltage

540W

Max Power Output

22.8%

Module Efficiency

132 Cells

N-Type TOPCon

Product Overview

Key Benefits

High power density: A 540W output and up to 22.8% efficiency allow more energy from the same footprint, ideal where space is valuable.

Advanced TOPCon technology: N-Type TOPCon cells improve temperature behavior and low light response, helping deliver stable daily energy yield.

Extended performance warranties: A 12-year product warranty and 30-year linear power warranty support long-term project bankability and financial planning.

Reliable in harsh climates: The wide operating temperature range and IP68 junction box enable dependable operation in challenging environmental conditions.

Compatible with modern systems: A 1500V system rating, 25A series fuse value, and standard connectors support integration with many string inverters and mounting layouts.

How It Works

Technical Specifications

Manufacturer / Brand	TSEC Corporation
Model Number	TS66-CMH-540 H1
Cell Type and Technology	Monocrystalline N-Type TOPCon solar cells, 182mm
Cell Count per Module	132 monocrystalline cells
Power Range for Series	525W to 555W module series (TS66-CMH-525 to 555 H1)
Maximum Power (Pmax)	540 Wp at STC
Module Efficiency	Up to 22.8% module efficiency
Power Tolerance	-3% to +3% power tolerance at STC
Voltage at Maximum Power (Vmpp)	40.64 V
Current at Maximum Power (Impp)	13.29 A
Open Circuit Voltage (Voc)	47.35 V
Short Circuit Current (Isc)	14.01 A
Nominal Operating Cell Temperature (NOCT)	45 ± 2 °C
Operating Temperature Range	-40 °C to +85 °C
Temperature Coefficient of Pmax	-0.29 % / °C
Temperature Coefficient of Voc	-0.25 % / °C
Temperature Coefficient of Isc	+0.045 % / °C
Maximum System Voltage	1500 V DC (IEC)
Series Fuse Rating	25 A
Front Glass	PV coated glass with low WVTR encapsulation
Backsheet and Frame	Durable backsheet with anti-salt mist frame, black frame finish
Junction Box Protection	IP68 junction box with 3 bypass diodes
Cable Specification	1500 mm length, 4 mm² cross-section, EVO-2 compatible connectors
Module Dimensions (H x W x D)	2093 x 1134 x 35 mm
Weight	25.5 kg
Maximum Mechanical Load	Up to 5400 Pa (as per datasheet series information)
Country of Manufacture	Made in Taiwan

Certifications & Compliance

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

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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.