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Specification
Length | 93.9in |
Width | 51.3in |
Rated Power Output | 665 W |
Voltage (VOC) | 45.6V |
Maximum String Voltage | 1000/1500V |
Number of cells | 132 |
Cell Type | Monocrystalline |
Rated Efficiency | 21.4% |
Connector Type | T6 or MC4 series |
Frame Color | silver |
Dimensions LxWxH | 93.9 x 51.3 x 1.38 in |
Pallet Qty | 31 |
Manufacturer | Canadian Solar |
Manufacturer Part # | CS7N-665W |
Operating Temperatures | −40°F to +185°F |
Scope of Application | Solar Panels for Buildings |
Use |
|
Warranty | 12/ 30-year see warranty details |
Delivery Time | 5-7 Business Days |
More bifacial solar panels
About product
Canadian Solar CS7N-665 is a PV module fit for both residential and commercial applications. Canadian Solar engineers made the BiHiKu7 series durable and efficient while minimizing the amount of useful space required for their operation. The Passivated Emitter Rear Contact (PERC) technology ensures excellent power output. This solar cell type employs an additional reflective layer to absorb more sunlight.
Another advantage is the half-cut cell technology. CS7N-665 has solar cells half the size of those installed in conventional panels. The main benefits are decreased power loss, improved longevity and better low-light performance. Not surprisingly, the efficiency of this module is quite high – 21.4%. And while conventional panels use only one side to absorb photons, bifacial modules employ both sides at the same time. Thanks to the technology, this model can be up to 30% more efficient. Canadian Solar provides 12 years of product warranty and guarantees that after 30 years, performance will be at 84.95% or more.
Canadian Solar BiHiKu7 panels take full advantage of the company’s technologies that have won Canadian Solar multiple awards. This PERC option offers higher power output per square foot of PV modules. This means quicker installation times and fewer clamps and racks. All of which reduces your overall costs, shortening the payback time.
CS7N-665 manages to stay efficient even at high temperatures. For every 1.8°F above 77°F, it loses just -0.34% in efficiency, allowing you to make the most of the sunniest hours.
CS7N-665 receives multiple quality checks throughout the manufacturing process and is subject to stringent quality and reliability testing. The manufacturing facilities are highly automated, eliminating the risk of human error. Canadian Solar is dedicated to quality, safety and reliability to ensure you get the very best.
Slow degradation over the next 30 years is guaranteed by Canadian Solar. The performance will decrease no more than 2% during the first year and 0.25% annually thereafter. Your modules will retain at least 84.95% of original performance after the 30 years are over. This 655 W Canadian Solar solar panel also comes with a generous 12-year product warranty.
CS7N-665 is PID, salt, acid, and ammonia resistant. It can also bear mechanical loads of up to 5400 Pa on the front and 2400 Pa on the back. This durability is mostly owing to the 1.38" thick anodized aluminum frame and a layer of protective glass.
93.9" x 51.3" x 1.38"
83.6 lb
Canadian Solar is one of the most recognized names in the global solar panel market. Known for its impressive mix of affordability, efficiency, and long-term reliability, Canadian Solar panels have earned their place as one of the most popular choices for homeowners and businesses alike. From 400W to 550W models, these panels offer solid power outputs and are backed by excellent warranties.
Founded in 2001, Canadian Solar Inc. (NASDAQ: CSIQ) has grown to become one of the world's largest solar technology companies with over 87 GW of solar modules shipped globally. With manufacturing facilities across Asia and a strong presence in North America, the company has established itself as a leading Tier 1 manufacturer serving residential, commercial, and utility-scale markets in over 160 countries worldwide.
🏆 Tier 1 Manufacturer
Leading global solar manufacturer with over 25 GW production capacity across multiple facilities, exporting to 160+ countries with proven financial stability and bankability
⚡ Advanced Technology
Half-cell PERC technology with up to 21.6% efficiency and excellent low-light performance with <0.5% annual power degradation ensuring long-term reliability
💰 Cost Advantage
Industry-leading price-to-performance ratio at $0.45-$0.85/W with excellent value proposition and competitive system pricing at $2.50-$3.50/W installed
🛡️ Superior Warranty
25-year linear power warranty + 25-year product warranty exceeding industry standards with comprehensive coverage and global support network
"Canadian Solar's 400W panel gives us exceptional value at $0.58/W—customers love the Tier 1 quality and proven reliability, and we appreciate the advanced PERC technology and robust build quality."
— Terry Shin, Mountain West Solar (UT, 2025)
Series | Power | Efficiency | Warranty | Ideal use-case |
---|---|---|---|---|
400W | 400W | 21.1% | 25 years | Space-limited roofs |
450W | 450W | 21.6% | 25 years | Larger homes, businesses |
550W | 550W | 21.0% | 25 years | Commercial & large homes |
700W | 700W | 20.8% | 25 years | Commercial & industrial |
Feature | Certification/Standard | Benefit |
---|---|---|
PID-free design | TÜV Rheinland IEC 62804 | 1% annual degradation cap |
Safety & construction | IEC 61215/61730 (2023 ed.) | Global code compliance |
Quality system | ISO 9001/14001/45001 | Robust QA/HSE culture |
Bifacial energy modeling | NREL bifacial PV performance study | Predictable rear-side gain |
"We have a customer who saved 20% over competing brands by going with Canadian Solar 400W panels for their home system. The performance is exceptional, and the savings speak for themselves."
— John T., Solar Installations Inc.
Feature | Canadian Solar | CertainTeed Solar |
---|---|---|
Efficiency | Up to 21.6% | Up to 20.5% |
Price per Watt | $0.45 - $0.85 | $0.70 - $0.75 |
Warranty | 25 years | 25 years |
Made In | China/Canada/Vietnam | USA |
"After comparing several brands, I decided on Canadian Solar for my 8 kW residential system. The panels were easy to install, and I've seen a steady return on my energy savings over the past year."
— Mark J., Homeowner, Texas
"We installed Canadian Solar's 550W panels for a commercial warehouse. The energy output has been fantastic, and the warranty gives us peace of mind. Highly recommend them for large-scale systems."
— Sarah W., Business Owner, Florida
Yes, Canadian Solar is recognized as a Tier 1 manufacturer by Bloomberg New Energy Finance, indicating strong financial stability and proven bankability in the solar industry.
Canadian Solar panels are manufactured in China, Canada, and Vietnam, with stringent quality standards at each facility.
Canadian Solar offers a 25-year linear power warranty and a 25-year product warranty on their panels.
Yes, Canadian Solar panels are available throughout the USA and are eligible for domestic content incentives when installed with other U.S.-made components.
Ready to Power Your Project?
Get premium Canadian Solar panels with Tier 1 quality at competitive prices. Advanced PERC technology, 25-year warranty, and proven reliability.
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