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All replacements

Find replacement for Qcells Q.PEAK DUO BLK ML-G10+ 405

405 W PERC solar panel with 132 cells. Voc 45.34 V · Isc 11.17 A · TcVoc -0.27%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

11 panels found · 4328 panels excluded

Qcells Q.PEAK DUO BLK ML-G10+ 400

400 W

PERC
95Exact match
ParameterOriginalReplacementDeviation
Voc45.34 V45.3 V0.1%
Vmpp37.39 V37.13 V0.7%
Isc11.17 A11.14 A0.3%
Impp10.83 A10.77 A0.6%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Qcells Q.PEAK DUO BLK ML-G10+ 410

410 W

PERC
95Exact match
ParameterOriginalReplacementDeviation
Voc45.34 V45.37 V0.1%
Vmpp37.39 V37.64 V0.7%
Isc11.17 A11.2 A0.3%
Impp10.83 A10.89 A0.6%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Qcells Q.PEAK DUO BLK ML-G10+ 395

395 W

PERC
90Good match
ParameterOriginalReplacementDeviation
Voc45.34 V45.27 V0.2%
Vmpp37.39 V36.88 V1.4%
Isc11.17 A11.1 A0.6%
Impp10.83 A10.71 A1.1%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Qcells Q.PEAK DUO BLK ML-G10+ 415

415 W

PERC
90Good match
ParameterOriginalReplacementDeviation
Voc45.34 V45.41 V0.2%
Vmpp37.39 V37.89 V1.3%
Isc11.17 A11.23 A0.5%
Impp10.83 A10.95 A1.1%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Qcells Q.PEAK DUO BLK ML-G10+ 390

390 W

PERC
85Good match
ParameterOriginalReplacementDeviation
Voc45.34 V45.23 V0.2%
Vmpp37.39 V36.62 V2.1%
Isc11.17 A11.07 A0.9%
Impp10.83 A10.65 A1.7%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
Qcells Q.PEAK DUO BLK ML-G10+ 385

385 W

PERC
80Good match
ParameterOriginalReplacementDeviation
Voc45.34 V45.19 V0.3%
Vmpp37.39 V36.36 V2.8%
Isc11.17 A11.04 A1.2%
Impp10.83 A10.59 A2.2%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.34 %/°C-0.34 %/°C±0.000 %/°C
München Solar MSMD405M6-66

405 W

PERC
79Acceptable
ParameterOriginalReplacementDeviation
Voc45.34 V45.1 V0.5%
Vmpp37.39 V37.3 V0.2%
Isc11.17 A11.35 A1.6%
Impp10.83 A10.86 A0.3%
TcVoc-0.27 %/°C-0.28 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.36 %/°C±0.020 %/°C
München Solar MSMD400M6-66

400 W

PERC
73Acceptable
ParameterOriginalReplacementDeviation
Voc45.34 V44.9 V1.0%
Vmpp37.39 V37.1 V0.8%
Isc11.17 A11.28 A1.0%
Impp10.83 A10.79 A0.4%
TcVoc-0.27 %/°C-0.28 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.36 %/°C±0.020 %/°C
München Solar MSMD410M6-66

410 W

PERC
71Acceptable
ParameterOriginalReplacementDeviation
Voc45.34 V45.8 V1.0%
Vmpp37.39 V37.6 V0.6%
Isc11.17 A11.41 A2.1%
Impp10.83 A10.9 A0.6%
TcVoc-0.27 %/°C-0.28 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.36 %/°C±0.020 %/°C
München Solar MSMD395M6-66

395 W

PERC
65Acceptable
ParameterOriginalReplacementDeviation
Voc45.34 V44.7 V1.4%
Vmpp37.39 V36.9 V1.3%
Isc11.17 A11.21 A0.4%
Impp10.83 A10.73 A0.9%
TcVoc-0.27 %/°C-0.28 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.36 %/°C±0.020 %/°C
München Solar MSMD390M6-66

390 W

PERC
57Marginal
ParameterOriginalReplacementDeviation
Voc45.34 V44.5 V1.9%
Vmpp37.39 V36.7 V1.8%
Isc11.17 A11.14 A0.3%
Impp10.83 A10.63 A1.8%
TcVoc-0.27 %/°C-0.28 %/°C±0.010 %/°C
TcPmax-0.34 %/°C-0.36 %/°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

45.34 V

Vmpp

37.39 V

Isc

11.17 A

Impp

10.83 A

TcVoc

-0.27 %/°C

TcPmax

-0.34 %/°C

Pmax

405 W

Cells

132

Length

1879 mm

Width

1045 mm

Thickness

32 mm

Weight

22 kg

The Qcells Q.PEAK DUO BLK ML-G10+ 405 is a 405 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
Q.PEAK DUO BLK ML-G10+ 385385 W45.19 V11.04 A
Q.PEAK DUO BLK ML-G10+ 390390 W45.23 V11.07 A
Q.PEAK DUO BLK ML-G10+ 395395 W45.27 V11.1 A
Q.PEAK DUO BLK ML-G10+ 400400 W45.3 V11.14 A
Q.PEAK DUO BLK ML-G10+ 410410 W45.37 V11.2 A
Q.PEAK DUO BLK ML-G10+ 415415 W45.41 V11.23 A

Frequently Asked Questions

What specs must match when replacing the Qcells Q.PEAK DUO BLK ML-G10+ 405?

The most critical specs to match are: cell count (must be exactly 132), Voc close to 45.34 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 Qcells Q.PEAK DUO BLK ML-G10+ 405?

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.PEAK DUO BLK ML-G10+ 405.