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Specification
Length | 67.8in |
Width | 44.6in |
Rated Power Output | 400 W |
Voltage (VOC) | 36.8V |
Maximum String Voltage | 1000/1500V |
Number of cells | 108 |
Cell Type | Monocrystalline |
Rated Efficiency | 20.45% |
Connector Type | MC4 or MC4 compatible |
Backsheet Color | black |
Frame Color | black |
Dimensions LxWxH | 67.8 x 44.6 x 1.18 in |
Weight | 47lbs |
Pallet Qty | 30 |
Manufacturer | Canadian Solar |
Manufacturer Part # | CS6R-400MS-HL |
Operating Temperatures | −40°F to +185°F |
Scope of Application |
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Use |
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Warranty | 12-year warranty extendable 25 years |
Delivery Time | 5-7 business days |
About product
CS6R-400MS-HL is part of the HiKu6 Series — one of the most recent made by Canadian Solar. These panels employ cutting-edge technologies to achieve superior efficiency and reliability. This panel takes full advantage of the Passivated Emitter Rear Contact (PERC) technology that allows it to capture up to 12% more energy. All thanks to a reflective layer on the back. This design maximizes the number of photons absorbed by solar cells.
To further boost the performance, Canadian Solar employs half-cut cell technology. Each of the panel’s 108 cells is only half the size of a traditional solar cell. This grants CS6R-400MS-HL lower resistive losses and better shade tolerance. At 20. 5% efficiency, CS6R-400MS-HL offers surprising performance for its weight and size. Cell surface, back foil and frame are completely black, giving the model unrivaled aesthetics. Canadian Solar offers 12 years of product warranty and guarantees 84. 8% of original performance after 25 years of operation.
Canadian Solar HiKu6 panels fully use the firm's innovations, which Canadian Solar has received several distinctions for. With PERC technology, more electricity can be produced per square foot of PV modules. As a result, there will be less clamps and racks required during installation. All of which lowers your overall expenses and accelerates the payback period.
The heat is less of a threat with this module: with one of the lowest temperature coefficients in the industry, CS6R-400MS-HL loses just 0. 05% of efficiency for every 1. 8°F above 77°F.
Canadian Solar strict manufacturing standards include multiple tests to provide extreme quality assurance. The facilities are highly automated, allowing the company to maintain high standards and keep the level of warranty claims very low.
Canadian Solar guarantees slow deterioration over the next 25 years. The performance will decline by no more than 2% during the first year and then by no more than 0. 55% every year after that. After the 25 years are over, your modules will retain at least 84. 8% of their original performance. This 400 W Canadian Solar solar panel also comes with a substantial 12-year product warranty.
This model's construction makes it perfect for both residential and business rooftops. Durability and strength are increased by using a strong, robust frame built from anodized aluminum. A significant snow load of up to 5400 Pa may be supported by the model. The panel's back can support 2400 Pa, assuring that even the strongest winds won't damage your system.
The panel features all-black design which looks great on any roof. The manufacturer ensures excellent cell color by special treatment and selection processes. Canadian Solar engineers use thinner wires to connect the cells together, and at a distance the surface of the modules appears smooth and uninterrupted.
67.8" x 44.6" x 1.18"
47 lb
Reviews & Questions
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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.
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