Find replacement for Risen RSM132-8-665BMDG

665 W TOPCon solar panel with 132 cells. Voc 46.09 V · Isc 18.33 A · TcVoc -0.22%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

7 panels found · 4332 panels excluded

Risen RSM132-8-660BMDG

660 W

TOPCon

92Good match

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.89 V	0.4%
Vmpp	38.41 V	38.23 V	0.5%
Isc	18.33 A	18.28 A	0.3%
Impp	17.32 A	17.27 A	0.3%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

Risen RSM132-8-655BMDG

655 W

TOPCon

84Good match

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.69 V	0.9%
Vmpp	38.41 V	38.05 V	0.9%
Isc	18.33 A	18.23 A	0.5%
Impp	17.32 A	17.22 A	0.6%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

Risen RSM132-8-650BMDG

650 W

TOPCon

75Acceptable

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.49 V	1.3%
Vmpp	38.41 V	37.87 V	1.4%
Isc	18.33 A	18.18 A	0.8%
Impp	17.32 A	17.17 A	0.9%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

Risen RSM132-8-645BMDG

645 W

TOPCon

67Acceptable

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.29 V	1.7%
Vmpp	38.41 V	37.69 V	1.9%
Isc	18.33 A	18.13 A	1.1%
Impp	17.32 A	17.12 A	1.2%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

TCL Zhonghuan TCL-MG685DH210-66NT

685 W

TOPCon

52Marginal

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.7 V	0.8%
Vmpp	38.41 V	37.9 V	1.3%
Isc	18.33 A	18.25 A	0.4%
Impp	17.32 A	18.07 A	4.3%
TcVoc	-0.22 %/°C	-0.26 %/°C	±0.040 %/°C
TcPmax	-0.24 %/°C	-0.3 %/°C	±0.060 %/°C

TCL Zhonghuan TCL-MG680DH210-66NT

680 W

TOPCon

46Marginal

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.5 V	1.3%
Vmpp	38.41 V	37.8 V	1.6%
Isc	18.33 A	18.2 A	0.7%
Impp	17.32 A	18 A	3.9%
TcVoc	-0.22 %/°C	-0.26 %/°C	±0.040 %/°C
TcPmax	-0.24 %/°C	-0.3 %/°C	±0.060 %/°C

Canadian Solar CS7N-685TB-AG

685 W

TOPCon

36Marginal

Parameter	Original	Replacement	Deviation
Voc	46.09 V	47.3 V	2.6%
Vmpp	38.41 V	39.4 V	2.6%
Isc	18.33 A	18.34 A	0.1%
Impp	17.32 A	17.39 A	0.4%
TcVoc	-0.22 %/°C	-0.25 %/°C	±0.030 %/°C
TcPmax	-0.24 %/°C	-0.29 %/°C	±0.050 %/°C

String Compatibility Calculator

Verify the replacement panel works with your inverter

Panel Matcher

Find all compatible panels for a specific inverter

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

How the Algorithm Works

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Original Panel Specs

Voc

46.09 V

Vmpp

38.41 V

Isc

18.33 A

Impp

17.32 A

TcVoc

-0.22 %/°C

TcPmax

-0.24 %/°C

Pmax

665 W

Cells

132

Bifaciality

85%

Length

2384 mm

Width

1303 mm

Thickness

35 mm

Weight

41 kg

The Risen RSM132-8-665BMDG is a 665 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

Model	Power	Voc	Isc
RSM132-8-640BMDG	640 W	45.09 V	18.08 A
RSM132-8-645BMDG	645 W	45.29 V	18.13 A
RSM132-8-650BMDG	650 W	45.49 V	18.18 A
RSM132-8-655BMDG	655 W	45.69 V	18.23 A
RSM132-8-660BMDG	660 W	45.89 V	18.28 A

Frequently Asked Questions

What specs must match when replacing the Risen RSM132-8-665BMDG?

The most critical specs to match are: cell count (must be exactly 132), Voc close to 46.09 V (within ±5%), and temperature coefficient TcVoc close to -0.22%/°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 Risen RSM132-8-665BMDG?

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 Risen RSM132-8-665BMDG.

All replacements

Find replacement for Risen RSM132-8-665BMDG

665 W TOPCon solar panel with 132 cells. Voc 46.09 V · Isc 18.33 A · TcVoc -0.22%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

7 panels found · 4332 panels excluded

Risen RSM132-8-660BMDG

660 W

TOPCon

92Good match

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.89 V	0.4%
Vmpp	38.41 V	38.23 V	0.5%
Isc	18.33 A	18.28 A	0.3%
Impp	17.32 A	17.27 A	0.3%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

Risen RSM132-8-655BMDG

655 W

TOPCon

84Good match

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.69 V	0.9%
Vmpp	38.41 V	38.05 V	0.9%
Isc	18.33 A	18.23 A	0.5%
Impp	17.32 A	17.22 A	0.6%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

Risen RSM132-8-650BMDG

650 W

TOPCon

75Acceptable

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.49 V	1.3%
Vmpp	38.41 V	37.87 V	1.4%
Isc	18.33 A	18.18 A	0.8%
Impp	17.32 A	17.17 A	0.9%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

Risen RSM132-8-645BMDG

645 W

TOPCon

67Acceptable

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.29 V	1.7%
Vmpp	38.41 V	37.69 V	1.9%
Isc	18.33 A	18.13 A	1.1%
Impp	17.32 A	17.12 A	1.2%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C

TCL Zhonghuan TCL-MG685DH210-66NT

685 W

TOPCon

52Marginal

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.7 V	0.8%
Vmpp	38.41 V	37.9 V	1.3%
Isc	18.33 A	18.25 A	0.4%
Impp	17.32 A	18.07 A	4.3%
TcVoc	-0.22 %/°C	-0.26 %/°C	±0.040 %/°C
TcPmax	-0.24 %/°C	-0.3 %/°C	±0.060 %/°C

TCL Zhonghuan TCL-MG680DH210-66NT

680 W

TOPCon

46Marginal

Parameter	Original	Replacement	Deviation
Voc	46.09 V	45.5 V	1.3%
Vmpp	38.41 V	37.8 V	1.6%
Isc	18.33 A	18.2 A	0.7%
Impp	17.32 A	18 A	3.9%
TcVoc	-0.22 %/°C	-0.26 %/°C	±0.040 %/°C
TcPmax	-0.24 %/°C	-0.3 %/°C	±0.060 %/°C

Canadian Solar CS7N-685TB-AG

685 W

TOPCon

36Marginal

Parameter	Original	Replacement	Deviation
Voc	46.09 V	47.3 V	2.6%
Vmpp	38.41 V	39.4 V	2.6%
Isc	18.33 A	18.34 A	0.1%
Impp	17.32 A	17.39 A	0.4%
TcVoc	-0.22 %/°C	-0.25 %/°C	±0.030 %/°C
TcPmax	-0.24 %/°C	-0.29 %/°C	±0.050 %/°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

46.09 V

Vmpp

38.41 V

Isc

18.33 A

Impp

17.32 A

TcVoc

-0.22 %/°C

TcPmax

-0.24 %/°C

Pmax

665 W

Cells

132

Bifaciality

85%

Length

2384 mm

Width

1303 mm

Thickness

35 mm

Weight

41 kg

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

Model	Power	Voc	Isc
RSM132-8-640BMDG	640 W	45.09 V	18.08 A
RSM132-8-645BMDG	645 W	45.29 V	18.13 A
RSM132-8-650BMDG	650 W	45.49 V	18.18 A
RSM132-8-655BMDG	655 W	45.69 V	18.23 A
RSM132-8-660BMDG	660 W	45.89 V	18.28 A