Find replacement for Qcells Q.TRON BLK M-G2+ 425

425 W TOPCon solar panel with 108 cells. Voc 39.03 V · Isc 13.66 A · TcVoc -0.24%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

146 panels found · 4193 panels excluded

LONGi LR5-54HTB-420M

420 W

HPBC

91Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.03 V	0.0%
Vmpp	32.74 V	32.76 V	0.1%
Isc	13.66 A	13.85 A	1.4%
Impp	12.98 A	12.83 A	1.2%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Qcells Q.TRON BLK M-G2+ 420

420 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.75 V	0.7%
Vmpp	32.74 V	32.54 V	0.6%
Isc	13.66 A	13.58 A	0.6%
Impp	12.98 A	12.91 A	0.5%
TcVoc	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

GCL-NT10/54GDF-B 435

435 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.06 V	0.1%
Vmpp	32.74 V	32.81 V	0.2%
Isc	13.66 A	14.01 A	2.6%
Impp	12.98 A	13.26 A	2.2%
TcVoc	-0.24 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Qcells Q.TRON BLK M-G2+ 430

430 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.32 V	0.7%
Vmpp	32.74 V	32.94 V	0.6%
Isc	13.66 A	13.74 A	0.6%
Impp	12.98 A	13.05 A	0.5%
TcVoc	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

JinkoSolar JKM435N-54HL4R-(V)

435 W

TOPCon

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.16 V	0.3%
Vmpp	32.74 V	32.59 V	0.5%
Isc	13.66 A	13.8 A	1.0%
Impp	12.98 A	13.35 A	2.9%
TcVoc	-0.24 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Perlight Solar PLM-425H8NB-108

425 W

TOPCon

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39 V	0.1%
Vmpp	32.74 V	33.09 V	1.1%
Isc	13.66 A	13.62 A	0.3%
Impp	12.98 A	12.83 A	1.2%
TcVoc	-0.24 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.3 %/°C	±0.010 %/°C

LONGi LR5-54HTH-425M

425 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.93 V	0.3%
Vmpp	32.74 V	32.64 V	0.3%
Isc	13.66 A	14.07 A	3.0%
Impp	12.98 A	13.03 A	0.4%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Maysun Solar MS425BC-54H

425 W

IBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.93 V	0.3%
Vmpp	32.74 V	32.64 V	0.3%
Isc	13.66 A	14.07 A	3.0%
Impp	12.98 A	13.03 A	0.4%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

LONGi LR5-54HTH-430M

430 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.13 V	0.3%
Vmpp	32.74 V	32.84 V	0.3%
Isc	13.66 A	14.15 A	3.6%
Impp	12.98 A	13.1 A	0.9%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

LONGi LR5-54HTB-415M

415 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.83 V	0.5%
Vmpp	32.74 V	32.56 V	0.5%
Isc	13.66 A	13.78 A	0.9%
Impp	12.98 A	12.75 A	1.8%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Maysun Solar MS430BC-54H

430 W

IBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.13 V	0.3%
Vmpp	32.74 V	32.84 V	0.3%
Isc	13.66 A	14.15 A	3.6%
Impp	12.98 A	13.1 A	0.9%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

aleo solar L64S430

430 W

TOPCon

82Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.22 V	0.5%
Vmpp	32.74 V	33.2 V	1.4%
Isc	13.66 A	13.63 A	0.2%
Impp	12.98 A	12.95 A	0.2%
TcVoc	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.31 %/°C	±0.020 %/°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

39.03 V

Vmpp

32.74 V

Isc

13.66 A

Impp

12.98 A

TcVoc

-0.24 %/°C

TcPmax

-0.29 %/°C

Pmax

425 W

Cells

108

Length

1722 mm

Width

1134 mm

Thickness

30 mm

Weight

21.2 kg

The Qcells Q.TRON BLK M-G2+ 425 is a 425 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
Q.TRON BLK M-G2+ 420	420 W	38.75 V	13.58 A
Q.TRON BLK M-G2+ 430	430 W	39.32 V	13.74 A
Q.TRON BLK M-G2+ 435	435 W	39.6 V	13.82 A
Q.TRON BLK M-G2+ 440	440 W	39.88 V	13.9 A

Frequently Asked Questions

What specs must match when replacing the Qcells Q.TRON BLK M-G2+ 425?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 39.03 V (within ±5%), and temperature coefficient TcVoc close to -0.24%/°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 Qcells Q.TRON BLK M-G2+ 425?

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 Qcells Q.TRON BLK M-G2+ 425.

All replacements

Find replacement for Qcells Q.TRON BLK M-G2+ 425

425 W TOPCon solar panel with 108 cells. Voc 39.03 V · Isc 13.66 A · TcVoc -0.24%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

146 panels found · 4193 panels excluded

LONGi LR5-54HTB-420M

420 W

HPBC

91Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.03 V	0.0%
Vmpp	32.74 V	32.76 V	0.1%
Isc	13.66 A	13.85 A	1.4%
Impp	12.98 A	12.83 A	1.2%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Qcells Q.TRON BLK M-G2+ 420

420 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.75 V	0.7%
Vmpp	32.74 V	32.54 V	0.6%
Isc	13.66 A	13.58 A	0.6%
Impp	12.98 A	12.91 A	0.5%
TcVoc	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

GCL-NT10/54GDF-B 435

435 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.06 V	0.1%
Vmpp	32.74 V	32.81 V	0.2%
Isc	13.66 A	14.01 A	2.6%
Impp	12.98 A	13.26 A	2.2%
TcVoc	-0.24 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Qcells Q.TRON BLK M-G2+ 430

430 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.32 V	0.7%
Vmpp	32.74 V	32.94 V	0.6%
Isc	13.66 A	13.74 A	0.6%
Impp	12.98 A	13.05 A	0.5%
TcVoc	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

JinkoSolar JKM435N-54HL4R-(V)

435 W

TOPCon

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.16 V	0.3%
Vmpp	32.74 V	32.59 V	0.5%
Isc	13.66 A	13.8 A	1.0%
Impp	12.98 A	13.35 A	2.9%
TcVoc	-0.24 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Perlight Solar PLM-425H8NB-108

425 W

TOPCon

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39 V	0.1%
Vmpp	32.74 V	33.09 V	1.1%
Isc	13.66 A	13.62 A	0.3%
Impp	12.98 A	12.83 A	1.2%
TcVoc	-0.24 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.3 %/°C	±0.010 %/°C

LONGi LR5-54HTH-425M

425 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.93 V	0.3%
Vmpp	32.74 V	32.64 V	0.3%
Isc	13.66 A	14.07 A	3.0%
Impp	12.98 A	13.03 A	0.4%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Maysun Solar MS425BC-54H

425 W

IBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.93 V	0.3%
Vmpp	32.74 V	32.64 V	0.3%
Isc	13.66 A	14.07 A	3.0%
Impp	12.98 A	13.03 A	0.4%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

LONGi LR5-54HTH-430M

430 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.13 V	0.3%
Vmpp	32.74 V	32.84 V	0.3%
Isc	13.66 A	14.15 A	3.6%
Impp	12.98 A	13.1 A	0.9%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

LONGi LR5-54HTB-415M

415 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	38.83 V	0.5%
Vmpp	32.74 V	32.56 V	0.5%
Isc	13.66 A	13.78 A	0.9%
Impp	12.98 A	12.75 A	1.8%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Maysun Solar MS430BC-54H

430 W

IBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.13 V	0.3%
Vmpp	32.74 V	32.84 V	0.3%
Isc	13.66 A	14.15 A	3.6%
Impp	12.98 A	13.1 A	0.9%
TcVoc	-0.24 %/°C	-0.23 %/°C	±0.010 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

aleo solar L64S430

430 W

TOPCon

82Good match

Parameter	Original	Replacement	Deviation
Voc	39.03 V	39.22 V	0.5%
Vmpp	32.74 V	33.2 V	1.4%
Isc	13.66 A	13.63 A	0.2%
Impp	12.98 A	12.95 A	0.2%
TcVoc	-0.24 %/°C	-0.24 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.31 %/°C	±0.020 %/°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

39.03 V

Vmpp

32.74 V

Isc

13.66 A

Impp

12.98 A

TcVoc

-0.24 %/°C

TcPmax

-0.29 %/°C

Pmax

425 W

Cells

108

Length

1722 mm

Width

1134 mm

Thickness

30 mm

Weight

21.2 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
Q.TRON BLK M-G2+ 420	420 W	38.75 V	13.58 A
Q.TRON BLK M-G2+ 430	430 W	39.32 V	13.74 A
Q.TRON BLK M-G2+ 435	435 W	39.6 V	13.82 A
Q.TRON BLK M-G2+ 440	440 W	39.88 V	13.9 A