Find replacement for Perlight Solar PLM-420H8M-108

420 W PERC solar panel with 108 cells. Voc 37.68 V · Isc 13.98 A · TcVoc -0.27%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

124 panels found · 4215 panels excluded

Perlight Solar PLM-420H8MB-108

420 W

PERC

100Exact match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.68 V	0.0%
Vmpp	31.18 V	31.18 V	0.0%
Isc	13.98 A	13.98 A	0.0%
Impp	13.47 A	13.47 A	0.0%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-415H8M-108

415 W

PERC

92Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.53 V	0.4%
Vmpp	31.18 V	31.03 V	0.5%
Isc	13.98 A	13.95 A	0.2%
Impp	13.47 A	13.38 A	0.7%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-415H8MB-108

415 W

PERC

92Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.53 V	0.4%
Vmpp	31.18 V	31.03 V	0.5%
Isc	13.98 A	13.95 A	0.2%
Impp	13.47 A	13.38 A	0.7%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Sunway SW420M-108

420 W

PERC

89Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.56 V	0.3%
Vmpp	31.18 V	31.6 V	1.3%
Isc	13.98 A	13.98 A	0.0%
Impp	13.47 A	13.3 A	1.3%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

LONGi LR5-54HPH-420M

420 W

PERC

86Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.75 V	0.2%
Vmpp	31.18 V	31.73 V	1.8%
Isc	13.98 A	14.01 A	0.2%
Impp	13.47 A	13.24 A	1.7%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

LONGi LR5-54HIH-420M

420 W

PERC

86Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.75 V	0.2%
Vmpp	31.18 V	31.73 V	1.8%
Isc	13.98 A	14.01 A	0.2%
Impp	13.47 A	13.24 A	1.7%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Yingli Solar YL415D-37e 1/2

415 W

PERC

86Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.39 V	0.8%
Vmpp	31.18 V	31.1 V	0.3%
Isc	13.98 A	14.02 A	0.3%
Impp	13.47 A	13.35 A	0.9%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.35 %/°C	±0.010 %/°C

LONGi LR5-54HPH-415M

415 W

PERC

85Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.5 V	0.5%
Vmpp	31.18 V	31.49 V	1.0%
Isc	13.98 A	13.94 A	0.3%
Impp	13.47 A	13.18 A	2.2%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

LONGi LR5-54HIH-415M

415 W

PERC

85Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.5 V	0.5%
Vmpp	31.18 V	31.49 V	1.0%
Isc	13.98 A	13.94 A	0.3%
Impp	13.47 A	13.18 A	2.2%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-410H8M-108

410 W

PERC

84Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.38 V	0.8%
Vmpp	31.18 V	30.88 V	1.0%
Isc	13.98 A	13.92 A	0.4%
Impp	13.47 A	13.28 A	1.4%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-410H8MB-108

410 W

PERC

84Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.38 V	0.8%
Vmpp	31.18 V	30.88 V	1.0%
Isc	13.98 A	13.92 A	0.4%
Impp	13.47 A	13.28 A	1.4%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Sunway SW415M-108

415 W

PERC

84Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.41 V	0.7%
Vmpp	31.18 V	31.45 V	0.9%
Isc	13.98 A	13.89 A	0.6%
Impp	13.47 A	13.2 A	2.0%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°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

37.68 V

Vmpp

31.18 V

Isc

13.98 A

Impp

13.47 A

TcVoc

-0.27 %/°C

TcPmax

-0.34 %/°C

Pmax

420 W

Cells

108

Length

1722 mm

Width

1134 mm

Thickness

30 mm

Weight

20.5 kg

The Perlight Solar PLM-420H8M-108 is a 420 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
PLM-400H8M-108	400 W	37.08 V	13.77 A
PLM-400H8MB-108	400 W	37.08 V	13.77 A
PLM-405H8MB-108	405 W	37.23 V	13.87 A
PLM-405H8M-108	405 W	37.23 V	13.87 A
PLM-410H8M-108	410 W	37.38 V	13.92 A
PLM-410H8MB-108	410 W	37.38 V	13.92 A
PLM-415H8MB-108	415 W	37.53 V	13.95 A
PLM-415H8M-108	415 W	37.53 V	13.95 A
PLM-420H8MB-108	420 W	37.68 V	13.98 A
PLM-425H8MB-108	425 W	37.83 V	14.11 A
PLM-430H8MB-108	430 W	37.98 V	14.17 A

Frequently Asked Questions

What specs must match when replacing the Perlight Solar PLM-420H8M-108?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 37.68 V (within ±5%), and temperature coefficient TcVoc close to -0.27%/°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 Perlight Solar PLM-420H8M-108?

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 Perlight Solar PLM-420H8M-108.

All replacements

Find replacement for Perlight Solar PLM-420H8M-108

420 W PERC solar panel with 108 cells. Voc 37.68 V · Isc 13.98 A · TcVoc -0.27%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

124 panels found · 4215 panels excluded

Perlight Solar PLM-420H8MB-108

420 W

PERC

100Exact match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.68 V	0.0%
Vmpp	31.18 V	31.18 V	0.0%
Isc	13.98 A	13.98 A	0.0%
Impp	13.47 A	13.47 A	0.0%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-415H8M-108

415 W

PERC

92Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.53 V	0.4%
Vmpp	31.18 V	31.03 V	0.5%
Isc	13.98 A	13.95 A	0.2%
Impp	13.47 A	13.38 A	0.7%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-415H8MB-108

415 W

PERC

92Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.53 V	0.4%
Vmpp	31.18 V	31.03 V	0.5%
Isc	13.98 A	13.95 A	0.2%
Impp	13.47 A	13.38 A	0.7%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Sunway SW420M-108

420 W

PERC

89Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.56 V	0.3%
Vmpp	31.18 V	31.6 V	1.3%
Isc	13.98 A	13.98 A	0.0%
Impp	13.47 A	13.3 A	1.3%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

LONGi LR5-54HPH-420M

420 W

PERC

86Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.75 V	0.2%
Vmpp	31.18 V	31.73 V	1.8%
Isc	13.98 A	14.01 A	0.2%
Impp	13.47 A	13.24 A	1.7%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

LONGi LR5-54HIH-420M

420 W

PERC

86Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.75 V	0.2%
Vmpp	31.18 V	31.73 V	1.8%
Isc	13.98 A	14.01 A	0.2%
Impp	13.47 A	13.24 A	1.7%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Yingli Solar YL415D-37e 1/2

415 W

PERC

86Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.39 V	0.8%
Vmpp	31.18 V	31.1 V	0.3%
Isc	13.98 A	14.02 A	0.3%
Impp	13.47 A	13.35 A	0.9%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.35 %/°C	±0.010 %/°C

LONGi LR5-54HPH-415M

415 W

PERC

85Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.5 V	0.5%
Vmpp	31.18 V	31.49 V	1.0%
Isc	13.98 A	13.94 A	0.3%
Impp	13.47 A	13.18 A	2.2%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

LONGi LR5-54HIH-415M

415 W

PERC

85Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.5 V	0.5%
Vmpp	31.18 V	31.49 V	1.0%
Isc	13.98 A	13.94 A	0.3%
Impp	13.47 A	13.18 A	2.2%
TcVoc	-0.27 %/°C	-0.265 %/°C	±0.005 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-410H8M-108

410 W

PERC

84Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.38 V	0.8%
Vmpp	31.18 V	30.88 V	1.0%
Isc	13.98 A	13.92 A	0.4%
Impp	13.47 A	13.28 A	1.4%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Perlight Solar PLM-410H8MB-108

410 W

PERC

84Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.38 V	0.8%
Vmpp	31.18 V	30.88 V	1.0%
Isc	13.98 A	13.92 A	0.4%
Impp	13.47 A	13.28 A	1.4%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°C
TcPmax	-0.34 %/°C	-0.34 %/°C	±0.000 %/°C

Sunway SW415M-108

415 W

PERC

84Good match

Parameter	Original	Replacement	Deviation
Voc	37.68 V	37.41 V	0.7%
Vmpp	31.18 V	31.45 V	0.9%
Isc	13.98 A	13.89 A	0.6%
Impp	13.47 A	13.2 A	2.0%
TcVoc	-0.27 %/°C	-0.27 %/°C	±0.000 %/°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

37.68 V

Vmpp

31.18 V

Isc

13.98 A

Impp

13.47 A

TcVoc

-0.27 %/°C

TcPmax

-0.34 %/°C

Pmax

420 W

Cells

108

Length

1722 mm

Width

1134 mm

Thickness

30 mm

Weight

20.5 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
PLM-400H8M-108	400 W	37.08 V	13.77 A
PLM-400H8MB-108	400 W	37.08 V	13.77 A
PLM-405H8MB-108	405 W	37.23 V	13.87 A
PLM-405H8M-108	405 W	37.23 V	13.87 A
PLM-410H8M-108	410 W	37.38 V	13.92 A
PLM-410H8MB-108	410 W	37.38 V	13.92 A
PLM-415H8MB-108	415 W	37.53 V	13.95 A
PLM-415H8M-108	415 W	37.53 V	13.95 A
PLM-420H8MB-108	420 W	37.68 V	13.98 A
PLM-425H8MB-108	425 W	37.83 V	14.11 A
PLM-430H8MB-108	430 W	37.98 V	14.17 A