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Canadian Solar 450W Solar Panel 144 cell HiKu CS3W-450MS

price as of September 02
All Canadian Solar products All 450 Watt Panels


Rated Power Output 450 W
Voltage (VOC)48.7V
Cell number
  • 144 cell
Cell TypeMonocrystalline
Rated Efficiency20.37%
Connector TypeMC4
Backsheet Color
  • white
Frame Color
  • black
Dimensions LxWxH83" x 41.3" x 1.57"
Weight54.9 lbs
ManufacturerCanadian Solar
Manufacturer Part #HiKuCS3W450MS
Operating Temperatures -40 °F to +185 °F
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
Warranty12 month manufacture Warranty
Delivery Time 5-7 business days

About product

Canadian Solar continues to expand its product line and introduces a new model HiKu Mono 450W CS3W-450. The manufacturer focused on improving the power output and reliability of its panels and HiKu Mono is an amazing result of this. The panel offers 26% higher power output than conventional modules, has a low temperature coefficient and better shading tolerance. On top of it, a model displays a higher snow and wind load resistance with a smaller risk of microcracks and hotspots.

  • 450W Power Output
  • 144 Half-Cut Cells
  • 20.37% Module Efficiency
  • MC4 Connectors
  • Low cell crack risk
  • Excellent low-light and temperature behavior

Outstanding Efficiency up to 20.37%

This Canadian Solar module reaches an efficiency of 20.37% — much higher than average values on the market.

Weather and High Temperatures

Solar panels of this NA manufacturer are famous for excellent performance in all types of weather. The modules barely lose any efficiency on cloudy days. Low temperature coefficient (Pmax) is at -0.36 % / °C which means that the panel performs well even when it gets really hot.

Improved Reliability

One of the main advantages of Canadian Solar HiKu 450W panel is its durability. The frame is made of anodized aluminium alloy. Canadian Solar panels can endure the 5400 Pa pressure of a snow load and 3600 Pa of wind load which is approximately 170 mph. These numbers are much higher than standards on the solar market which makes this model an excellent choice in areas where extreme weather conditions (hurricanes, tornadoes) occur regularly.

Sleek Design

Every HiKu Mono solar panel comes with 3.2 mm tempered glass that protects solar cells from damage. 3 bypass diodes guarantee a good shading tolerance. We offer HiKu Mono with a silver frame that makes the panel look really attractive on the roof.

12 Year Product and 25 Year Performance Warranty

Canadian Solar offers a 25 year linear performance warranty and a 12 years warranty for workmanship and materials.


2108 X 1048 X 40 mm


54.9 lbs

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How much is shipping and how long is delivery?
Our standard shipping charge is $250 for up to 11 panels and it is increased by $25 for every 4 additional panels. In the event, the product is only available on East or West coast custom quote will be sent to you before the order is processed. Normally, we are able to deliver solar panels within 7 business days.
What is the difference between low price panels and top price panels?
With top tier solar panels, you pay for the brand name, proprietary new technology, higher energy output, and better warranty support.
What are the dimensions of the panel?
Please refer to the product datasheet on the product page. We have a datasheet for every product we sell.
How long is the warranty on the panel?
In general, manufacturers provide a 25 year-long performance warranty and a 10 year-long equipment guarantee. Some manufacturers offer 12-15 years of warranty. More information is available in our warranty support section.
Which panels do you recommend for RV, marine?
We recommend Panasonic and Mission Solar panels for smaller systems as their high energy output and excellent craftsmanship guarantee years of service.
Can this panel be used with a 12v system?
Any of our panels can be used for a 12v system with a properly selected inverter and charge controller.
Can I pick up this panel from your fulfillment center to save on shipping?
Yes, we can set up a pick up at a local distributor. Please call to discuss options and stock availability.
How do I connect these panels?
To achieve the best system efficiency, panels should be connected in series to create higher voltage.
How many panels do I need?
This number is determined by your average energy needs. Depending on the type of panels and energy consumption, you might need anywhere from 12 to 45 solar panels. Remember, the more panels you install the more energy you will get.Please use our solar calculator to estimate your energy consumption and plan on building a solar system that will exceed your energy needs by 25%.
Do you offer discounts?
We do offer discounts for orders of over 50 units. Please contact us for details.
How do I build a solar system?
Please use our solar calculator to estimate what equipment you need. Choose your panels, microinverters, inverters, and solar batteries if necessary.Please note that we do not offer solar system design or installation.
How do solar panels compare?
Solar panels differ by power output, voltage, connection type, size, efficiency, and weight. Some solar panels might be sold together with microinverters as a set.
Can I build a solar system by myself as a Do It Yourself project?
Yes, it is possible if you understand what solar equipment you need and how to connect it together. However, please be mindful that handling your own electrical work without having proper experience might cause life-threatening injuries. Please contact a certified electrician if you do not possess appropriate electrical skills.
Can I connect and charge my solar panel battery directly with the solar panel?
We do not recommend using the solar panel without the charge controller. Using solar panels without the charge controller might damage the batteries.
Can I drill holes into the aluminum frame for mounting?
We do not recommend drilling any new holes to the aluminum frame of the panel as it could damage the internal circuit and solar cells. (Also, any modification to the panel will void the warranty). We recommend only using the pre-drilled holes for mounting.
Do solar panels require maintenance? Can I wash my solar panel?
Solar panels generally require very little maintenance. We recommend cleaning the solar panel with water, glass cleaner (Windex) and microfiber cloth.
Will my panel produce power in an overcast condition?
While solar panels require sunlight to generate solar energy, they will still work in cloudy weather. Even on a cloudy day, solar panels will produce energy just not as much.
Will my panels produce power if covered with snow?
Solar panels cannot produce electricity if covered with snow.
What is the best direction for a solar panel to face?
The best direction for a solar panel to face is the South