Solar Stack
Solar Stack
How it worksGuidesAdd Equipment
Sign in
Solar Stack

Free solar panel & inverter compatibility checker. Verify your PV string configuration is safe before installation.

Tools

  • Calculator
  • Panel Matcher
  • Inverter Finder
  • Inverter Compare
  • Panel Replacement
  • Cable sizing

Resources

  • Guides
  • How it works
  • Standards & Compliance
  • Data API
  • Replacement methodology
  • Add Equipment
  • Feedback

Legal

  • About
  • Privacy Policy
  • Terms of Service
  • Cookie Policy

© 2026 Solar Stack

Solar PanelsCanadian SolarTOPHIKU6-TOPCON CS6R-TCS6R-420T

Canadian Solar CS6R-420T

420 WTOPConTOPHiKu6TOPCon108 cells

The Canadian Solar CS6R-420T is a 420 W solar panel featuring TOPCon cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.

Technical Specifications

Electrical Characteristics (STC)
Peak Power (Pmax)
: 420 W
Open-Circuit Voltage (Voc)
: 38.6 V
Max Power Voltage (Vmpp)
: 31.6 V
Short-Circuit Current (Isc)
: 13.71 A
Max Power Current (Impp)
: 13.3 A
Number of Cells
: 108
Temperature
Temp. Coefficient Voc
: -0.25 %/°C
Temp. Coefficient Isc
: 0.05 %/°C
Temp. Coefficient Pmax
: -0.29 %/°C
Max System Voltage
: 1,500 V
Nominal Cell Temperature (NOCT)
: 41 °C
Cell Technology
: TOPCon
Max Series Fuse
: 25 A
Power Tolerance
: +10%
Physical
Length
: 1,722 mm
Width
: 1,134 mm
Thickness
: 30 mm
Weight
: 21.3 kg

Datasheet

Download PDF0.9 MB
Find on AmazonCheck current price and availability

As an Amazon Associate, Solar Stack earns from qualifying purchases.

Other Models in This Series

ModelPowerVocIsc
CS6R-420TCurrent
420 W38.6 V13.71 A
CS6R-425T
425 W38.8 V13.78 A
CS6R-430T
430 W39 V13.86 A
CS6R-435T
435 W39.2 V13.94 A

Check in calculator

Verify string compatibility with your inverter

Find replacement

Find electrically compatible alternatives

Find compatible inverter

See which inverters work with this panel