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All replacements

Find replacement for Canadian Solar CS7N-660MS

660 W PERC solar panel with 132 cells. Voc 45.4 V · Isc 18.47 A · TcVoc -0.26%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

21 panels found · 4318 panels excluded

Canadian Solar CS7N-655MS

655 W

PERC
92Good match
ParameterOriginalReplacementDeviation
Voc45.4 V45.2 V0.4%
Vmpp38.3 V38.1 V0.5%
Isc18.47 A18.43 A0.2%
Impp17.24 A17.2 A0.2%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Canadian Solar CS7N-665MS

665 W

PERC
92Good match
ParameterOriginalReplacementDeviation
Voc45.4 V45.6 V0.4%
Vmpp38.3 V38.5 V0.5%
Isc18.47 A18.51 A0.2%
Impp17.24 A17.28 A0.2%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Yingli Solar YL655D-66f 1/2

655 W

PERC
84Good match
ParameterOriginalReplacementDeviation
Voc45.4 V45.5 V0.2%
Vmpp38.3 V37.7 V1.6%
Isc18.47 A18.42 A0.3%
Impp17.24 A17.38 A0.8%
TcVoc-0.26 %/°C-0.25 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Canadian Solar CS7N-650MS

650 W

PERC
83Good match
ParameterOriginalReplacementDeviation
Voc45.4 V45 V0.9%
Vmpp38.3 V37.9 V1.0%
Isc18.47 A18.39 A0.4%
Impp17.24 A17.16 A0.5%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Canadian Solar CS7N-670MS

670 W

PERC
83Good match
ParameterOriginalReplacementDeviation
Voc45.4 V45.8 V0.9%
Vmpp38.3 V38.7 V1.0%
Isc18.47 A18.55 A0.4%
Impp17.24 A17.32 A0.5%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Yingli Solar YL650D-66f 1/2

650 W

PERC
82Good match
ParameterOriginalReplacementDeviation
Voc45.4 V45.3 V0.2%
Vmpp38.3 V37.5 V2.1%
Isc18.47 A18.36 A0.6%
Impp17.24 A17.34 A0.6%
TcVoc-0.26 %/°C-0.25 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Yingli Solar YL660D-66f 1/2

660 W

PERC
81Good match
ParameterOriginalReplacementDeviation
Voc45.4 V45.7 V0.7%
Vmpp38.3 V37.9 V1.0%
Isc18.47 A18.48 A0.1%
Impp17.24 A17.42 A1.0%
TcVoc-0.26 %/°C-0.25 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Luxor Solar LX-665M/210-132+ SW HC

665 W

PERC
78Acceptable
ParameterOriginalReplacementDeviation
Voc45.4 V45.36 V0.1%
Vmpp38.3 V38.11 V0.5%
Isc18.47 A18.44 A0.2%
Impp17.24 A17.46 A1.3%
TcVoc-0.26 %/°C-0.285 %/°C±0.025 %/°C
TcPmax-0.34 %/°C-0.36 %/°C±0.020 %/°C
Yingli Solar YL665D-66f 1/2

665 W

PERC
77Acceptable
ParameterOriginalReplacementDeviation
Voc45.4 V45.9 V1.1%
Vmpp38.3 V38.1 V0.5%
Isc18.47 A18.54 A0.4%
Impp17.24 A17.46 A1.3%
TcVoc-0.26 %/°C-0.25 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Canadian Solar CS7N-645MS

645 W

PERC
75Acceptable
ParameterOriginalReplacementDeviation
Voc45.4 V44.8 V1.3%
Vmpp38.3 V37.7 V1.6%
Isc18.47 A18.35 A0.6%
Impp17.24 A17.11 A0.8%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Canadian Solar CS7N-675MS

675 W

PERC
75Acceptable
ParameterOriginalReplacementDeviation
Voc45.4 V46 V1.3%
Vmpp38.3 V38.9 V1.6%
Isc18.47 A18.59 A0.6%
Impp17.24 A17.36 A0.7%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Yingli Solar YL670D-66f 1/2

670 W

PERC
73Acceptable
ParameterOriginalReplacementDeviation
Voc45.4 V46.1 V1.5%
Vmpp38.3 V38.3 V0.0%
Isc18.47 A18.58 A0.6%
Impp17.24 A17.5 A1.5%
TcVoc-0.26 %/°C-0.25 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°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

45.4 V

Vmpp

38.3 V

Isc

18.47 A

Impp

17.24 A

TcVoc

-0.26 %/°C

TcPmax

-0.34 %/°C

Pmax

660 W

Cells

132

Length

2384 mm

Width

1303 mm

Thickness

35 mm

Weight

34.4 kg

The Canadian Solar CS7N-660MS is a 660 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
CS7N-645MS645 W44.8 V18.35 A
CS7N-650MS650 W45 V18.39 A
CS7N-655MS655 W45.2 V18.43 A
CS7N-665MS665 W45.6 V18.51 A
CS7N-670MS670 W45.8 V18.55 A
CS7N-675MS675 W46 V18.59 A

Frequently Asked Questions

What specs must match when replacing the Canadian Solar CS7N-660MS?

The most critical specs to match are: cell count (must be exactly 132), Voc close to 45.4 V (within ±5%), and temperature coefficient TcVoc close to -0.26%/°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 CS7N-660MS?

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 CS7N-660MS.