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All replacements

Find replacement for Suntech STP450S-H48-Nfb

450 W TOPCon solar panel with 96 cells. Voc 35.37 V · Isc 15.92 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

207 panels found · 4132 panels excluded

GCL-NT12R/48BGDF 455

455 W

TOPCon
95Exact match
ParameterOriginalReplacementDeviation
Voc35.37 V35.42 V0.1%
Vmpp30.04 V30.14 V0.3%
Isc15.92 A16 A0.5%
Impp14.98 A15.1 A0.8%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Risen RSM96-11-450BNDG

450 W

TOPCon
94Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V29.9 V0.5%
Isc15.92 A16.14 A1.4%
Impp14.98 A15.06 A0.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z20/DG-FS-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z20/DG(BW)-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z16/DG-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Phono Solar PS445L8-16/Q

445 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.44 V0.2%
Vmpp30.04 V29.83 V0.7%
Isc15.92 A15.6 A2.0%
Impp14.98 A14.92 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z20/DG-FS(BB)-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z20/DG-FS(BW)-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z20/DG(BB)-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z16/DG(BB)-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z16/DG(BW)-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DAH Solar DHN-48Z20/DG-435W

435 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc35.37 V35.4 V0.1%
Vmpp30.04 V30 V0.1%
Isc15.92 A15.46 A2.9%
Impp14.98 A14.5 A3.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°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

35.37 V

Vmpp

30.04 V

Isc

15.92 A

Impp

14.98 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

450 W

Cells

96

Bifaciality

80%

Length

1762 mm

Width

1134 mm

Thickness

30 mm

Weight

21.5 kg

The Suntech STP450S-H48-Nfb is a 450 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
STP440S-H48-Nfb440 W34.97 V15.76 A
STP455S-H48-Nfb455 W35.57 V16 A

Frequently Asked Questions

What specs must match when replacing the Suntech STP450S-H48-Nfb?

The most critical specs to match are: cell count (must be exactly 96), Voc close to 35.37 V (within ±5%), and temperature coefficient TcVoc close to -0.25%/°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 Suntech STP450S-H48-Nfb?

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 Suntech STP450S-H48-Nfb.