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CSI Model Number CS3K-305MS
STC Rating 305.0 Watts
PTC Rating 283.8
Efficiency 18.36%
Open Circuit Voltage (Voc) 39.5 V
Short Circuit Current (Isc) 9.90 A
Frame Color Black
Origin China
Power Tolerance 0 / +5 Watts
Weight (lbs) 40.8
Length (in) 65.9
Width (in) 39.1
Height (in) 1.38

Canadian Solar KuBlack CS3K-305MS 305W Mono PERC Solar Panel


Canadian Solar
Canadian Solar KuBlack CS3K-305MS 305W Mono PERC Solar Panel

The 305 watt CS3K-305MS solar panel features 120 efficient 1/2 cut Mono PERC solar cells on a white backsheet. A 35mm black anodized aluminum frame ensures the robustness of this solar panel for up to a 6000 Pa snow load and a wind load up to 4000 Pa.

Canadian Solar KuBlack CS3K-MS Mono PERC solar panel

Canadian Solar has developed an innovative cool module design, KuBlack, based on Low Internal Current (LIC) module technology, this 120 cell monocrystalline PERC solar panel features the next generation of module technology.

Ensured by over 15 years of experience in module manufacturing, the KuBlack CS3K-305MS solar panel features a well-engineered module design, stringent BOM quality testing, an automated manufacturing process and 100% EL testing.

  • Efficient black Mono PERC solar cells
  • Black anodized aluminum alloy frame
  • PV wire w/ T4 (MC4 comparable) connectors
  • Reassuring power tolerance of +5W
  • 6000 Pa snow load rating
  • 4000 Pa wind load rating
  • Fire Class A and Type 3 / Type 13

KuBlack 120-cell bifacial solar panels are ideal for:

Canadian Solar black solar panel array on roof
Canadian Solar CS3K KuBlack solar panels have an aesthetically pleasing dark look at a distance.
  • On-grid residential roof mount solar systems
  • On-grid commercial / industrial rooftop solar systems
  • Solar power stations, solar carports
  • Other on-grid applications

KuBlack Solar Panel Certifications

Management System Certificates

  • ISO 9001:2015 / Quality Management System
  • ISO 14001:2015 / Standards for environmental management system
  • OHSAS 18001:2007 / International standards for occupational health & safety

Product Certificates

  • IEC 61215 / IEC 61730: VDE / CE / MCS / CEC AU
  • UL 1703 / IEC 61215 performance: CEC listed (US) / FSEC (US Florida)
  • UL 1703: CSA / IEC61701 ED2: VDE / IEC62716: VDE
  • Take-e-way

Canadian Solar CS3K-305MS Solar Panel Warranty

10 Year
Product warranty on materials and workmanship

25 Year
Linear power output warranty

KUMAX solar panel cert review

*We can provide this product with special BOM specifically certified with salt
mist, ammonia and sand blowing tests. Please contact us to get your customized solutions.

Canadian Solar KuBlack CS3K-305MS solar panels are rugged yet look great on any roof.

Residential Canadian Solar Panel Power System
Large quantities and solar panel system design available.
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more bifacial power Low power loss in cell connection
Low NMOT: 42 ± 3 °C
Low temperature coefficient (Pmax): -0.37 % / °C
Better shading tolerance



Lower hot spot temperature
Minimizes micro-cracks
Heavy snow load up to 6000 Pa,
wind load up to 4000 Pa


Canadian Solar is committed to providing high quality solar products, solar system solutions and services to customers around the world. No. 1 module supplier for quality and performance/price ratio in IHS Module Customer Insight Survey. As a leading PV project developer and manufacturer of solar modules with over 30 GW deployed around the world since 2001.

Quantity Canadian Solar KuBlack solar panel wholesale prices & systems available.

Contact us toll-free: (877) 297-0014


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