Canadian Solar BiHiKu Super high power BIFACIAL Poly Module 405W 33pcs

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Polycrystalline PERC cells and bifacial design for up to 30% more power from the rear side of solar panels.
Backed by a 12-year product warranty and 30-year linear performance warranty.


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SKU: HES QCS3W-400PB-AG Categories: , , Tags: , , , ,


Spec Sheet

Introducing the CS3W-405PB-AG Bifacial Solar Panel by Canadian Solar. With its advanced features, exceptional performance, and industry-leading warranty, this module is designed to maximize power generation and deliver long-lasting reliability.

Harnessing the power of polycrystalline PERC cells and an innovative bifacial design, the CS3W-405PB-AG offers superior efficiency and durability. It absorbs sunlight from both the front and rear sides, increasing power output by up to 30%. With exceptional shade tolerance and a maximum power rating of 405 watts, this solar panel ensures maximum efficiency even in partially shaded conditions.

Backed by a 12-year product warranty and a 30-year linear performance warranty, the CS3W-405PB-AG guarantees peace of mind and a brighter, greener future for your solar energy system. Upgrade now and experience the perfect combination of efficiency, durability, and reliability.


Rated Power Output405 W
Voltage (VOC)36.3 V
Maximum String Voltage1000/1500V
Cell number
  • 144 cell
Cell TypePoly-crystalline
Rated Efficiency24%
Connector Type1850 mm (72.8 in)* Connector T4 series or MC4
Backsheet Color
  • black
Frame Color
  • white
Dimensions LxWxH2132 X 1048 X 30 mm (83.9 X 41.3 X 1.2 in)
Weight28.4 kg (62.6 lbs)
Pallet Qty33
ManufacturerCanadian Solar
Manufacturer Part #CS3W-405PB-AG
Operating Temperatures-40°C ~ +85°C
Scope of Application
  • Solar Panels for Boats
  • Solar Panels for Commercial
  • Solar Panels for Home
  • Solar Panels for RV
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warranty30-year warranty
Delivery Time3-5 business days

About product

CS3W-405PB-AG is part of the BiHiKu 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 30% 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 144 cells is only half the size of a traditional solar cell. This grants CS3W-405PB-AG lower resistive losses and better shade tolerance. At 20. 5% efficiency, CS3W-405PB-AG offers surprising performance for its weight and size. Cell surface, back foil is completely black, giving the model unrivaled aesthetics. Canadian Solar offers 12 years of product warranty and 30-year linear performance warranty.

High efficiency of 20.5 percent

Canadian Solar BiHiKu 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.

Heat-resistant performance

The heat is less of a threat with this module: with one of the lowest temperature coefficients in the industry, CS3W-405PB-AG loses just 0. 05% of efficiency for every 1. 8°F above 77°F.

High quality standards

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.

Reliability and degradation resistance

Canadian Solar guarantees slow deterioration over the next 30 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 405 W Canadian Solar solar panel also comes with a substantial 12-year product warranty.

Enhanced frame design

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.

Outstanding all-black design

The panel features black/white 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.


2132 X 1048 X 30 mm (83.9 X 41.3 X 1.2 in)


28.4 kg (62.6 lbs)




Opt. Operating
CS3W-390PB-AG292 W35.8 V8.15 A44.1 V8.66 A
CS3W-395PB-AG295 W36.0 V8.21 A44.3 V8.72 A
CS3W-400PB-AG299 W36.2 V8.27 A44.5 V8.79 A
CS3W-405PB-AG303 W36.3 V8.33 A44.7 V8.85 A
CS3W-410PB-AG307 W36.5 V8.39 A44.8 V8.92 A
CS3W-415PB-AG310 W36.7 V8.45 A45.0 V8.98 A

*Under Nominal Module Operating Temperature (NMOT), irradiance of 800 W/m2, spectrum AM 1.5, ambient temperature 20°C, wind speed 1 m/s.

* The specifications and key features contained in this datasheet may deviate slightly from our actual products due to the on-going innovation and product enhancement. CSI Solar Co., Ltd. reserves the right to make necessary adjustment to the information described herein at any time without further notice.

Please be kindly advised that PV modules should be handled and installed by qualified people who have professional skills and please carefully read the safety and installation instructions before using our PV modules.

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Canadian Solar 405W

Spec Sheet


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