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All replacements

Find replacement for Canadian Solar CS6.1-54TD-450

450 W TOPCon solar panel with 108 cells. Voc 38.9 V · Isc 14.55 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

156 panels found · 4183 panels excluded

Astronergy CHSM54N-HC445

445 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc38.9 V39 V0.3%
Vmpp33 V32.77 V0.7%
Isc14.55 A14.41 A1.0%
Impp13.66 A13.58 A0.6%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Canadian Solar CS6.1-54TD-445

445 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc38.9 V38.7 V0.5%
Vmpp33 V32.8 V0.6%
Isc14.55 A14.48 A0.5%
Impp13.66 A13.59 A0.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Canadian Solar CS6.1-54TD-455

455 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc38.9 V39.1 V0.5%
Vmpp33 V33.2 V0.6%
Isc14.55 A14.61 A0.4%
Impp13.66 A13.72 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JA Solar JAM54D41-440/LR

440 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc38.9 V38.9 V0.0%
Vmpp33 V32.47 V1.6%
Isc14.55 A14.31 A1.6%
Impp13.66 A13.55 A0.8%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-450M/182R188-108+ GG BW ECOLINE v2

450 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc38.9 V39.08 V0.5%
Vmpp33 V32.63 V1.1%
Isc14.55 A14.59 A0.3%
Impp13.66 A13.8 A1.0%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
TommaTech TT445-108TNFB10 Dark Series

445 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc38.9 V38.91 V0.0%
Vmpp33 V32.94 V0.2%
Isc14.55 A14.31 A1.6%
Impp13.66 A13.51 A1.1%
TcVoc-0.25 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C
JA Solar JAM54D40-445/LR

445 W

TOPCon
87Good match
ParameterOriginalReplacementDeviation
Voc38.9 V39.1 V0.5%
Vmpp33 V32.65 V1.1%
Isc14.55 A14.4 A1.0%
Impp13.66 A13.63 A0.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Astronergy CHSM54N-HC440

440 W

TOPCon
87Good match
ParameterOriginalReplacementDeviation
Voc38.9 V38.8 V0.3%
Vmpp33 V32.61 V1.2%
Isc14.55 A14.3 A1.7%
Impp13.66 A13.49 A1.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JA Solar JAM54D41-445/LR

445 W

TOPCon
87Good match
ParameterOriginalReplacementDeviation
Voc38.9 V39.1 V0.5%
Vmpp33 V32.65 V1.1%
Isc14.55 A14.4 A1.0%
Impp13.66 A13.63 A0.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Horay Solar HS455TC-MHB

455 W

TOPCon
85Good match
ParameterOriginalReplacementDeviation
Voc38.9 V38.9 V0.0%
Vmpp33 V33 V0.0%
Isc14.55 A14.68 A0.9%
Impp13.66 A13.79 A1.0%
TcVoc-0.25 %/°C-0.23 %/°C±0.020 %/°C
TcPmax-0.29 %/°C-0.28 %/°C±0.010 %/°C
JA Solar JAM54D40-450/LR

450 W

TOPCon
84Good match
ParameterOriginalReplacementDeviation
Voc38.9 V39.3 V1.0%
Vmpp33 V32.82 V0.5%
Isc14.55 A14.48 A0.5%
Impp13.66 A13.71 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
TommaTech TT440-108TN10

440 W

TOPCon
84Good match
ParameterOriginalReplacementDeviation
Voc38.9 V38.91 V0.0%
Vmpp33 V32.74 V0.8%
Isc14.55 A14.24 A2.1%
Impp13.66 A13.44 A1.6%
TcVoc-0.25 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C

String Compatibility Calculator

Verify the replacement panel works with your inverter

Panel Matcher

Find all compatible panels for a specific inverter

Already have panels?

Find an inverter that fits your panel array with the right MPPT range and DC/AC ratio.

How the Algorithm Works

Learn how panels are scored and matched

Original Panel Specs

Voc

38.9 V

Vmpp

33 V

Isc

14.55 A

Impp

13.66 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

450 W

Cells

108

Length

1800 mm

Width

1134 mm

Thickness

30 mm

Weight

22.7 kg

The Canadian Solar CS6.1-54TD-450 is a 450 W solar panel. Finding a compatible replacement requires matching the original electrical characteristics — particularly Voc, Vmpp, Isc, and temperature coefficients — to ensure safe operation within the same string.

Use the form above to find panels that match these specifications. Then verify the replacement in the String Compatibility Calculator with your inverter.

Other models in this series

ModelPowerVocIsc
CS6.1-54TD-445445 W38.7 V14.48 A
CS6.1-54TD-455455 W39.1 V14.61 A
CS6.1-54TD-460460 W39.3 V14.69 A
CS6.1-54TD-465465 W39.5 V14.77 A
CS6.1-54TD-470470 W39.7 V14.86 A

Frequently Asked Questions

What specs must match when replacing the Canadian Solar CS6.1-54TD-450?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 38.9 V (within ±5%), and temperature coefficient TcVoc close to -0.25%/°C. If Voc differs significantly, the string voltage at extreme temperatures may shift outside the inverter's MPPT range. The replacement finder above pre-screens all candidates by these criteria.

Can I use a higher wattage replacement for the Canadian Solar CS6.1-54TD-450?

A higher wattage panel usually has a higher Vmpp or Isc, which can affect string voltage and current. Small increases (up to 10–15%) are typically safe if the other electrical specs align. The replacement finder shows a compatibility score — 'Exact match' means the specs align closely. Always verify the replacement in the String Compatibility Calculator with your inverter before installation.

What happens if the replacement panel has different voltage specs?

If the replacement has a significantly different Voc or Vmpp, the string voltage may shift outside the inverter's MPPT range, reducing energy production or causing faults. This effect is amplified at temperature extremes: at low temperatures, voltage rises by the TcVoc coefficient. The replacement finder automatically accounts for this — it scores candidates by how closely the electrical specs match the original Canadian Solar CS6.1-54TD-450.