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All replacements

Find replacement for Suntech STP450S-H48-Nth+

450 W TOPCon solar panel with 96 cells. Voc 35.91 V · Isc 15.72 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

243 panels found · 4096 panels excluded

Seraphim SRP-455-BTE-BG

455 W

TOPCon
93Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.98 V0.2%
Vmpp30.04 V30.01 V0.1%
Isc15.72 A15.95 A1.5%
Impp14.98 A15.17 A1.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Phono Solar PS450L8GF-16/QNH

450 W

TOPCon
93Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.79 V0.3%
Vmpp30.04 V30.15 V0.4%
Isc15.72 A15.64 A0.5%
Impp14.98 A14.93 A0.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Phono Solar PS450L8-16/Q

450 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.74 V0.5%
Vmpp30.04 V30.1 V0.2%
Isc15.72 A15.64 A0.5%
Impp14.98 A14.95 A0.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Sunpro Power SPDG450-N96R12

450 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.8 V0.3%
Vmpp30.04 V29.93 V0.4%
Isc15.72 A15.9 A1.1%
Impp14.98 A15.04 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C
Suntech STP445S-H48-Nth+

445 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.74 V0.5%
Vmpp30.04 V29.8 V0.8%
Isc15.72 A15.67 A0.3%
Impp14.98 A14.93 A0.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Suntech STP455S-H48-Nth+

455 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc35.91 V36.08 V0.5%
Vmpp30.04 V30.28 V0.8%
Isc15.72 A15.77 A0.3%
Impp14.98 A15.03 A0.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Phono Solar PS455L8-16/Q

455 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc35.91 V36.05 V0.4%
Vmpp30.04 V30.37 V1.1%
Isc15.72 A15.68 A0.3%
Impp14.98 A14.98 A0.0%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JinkoSolar JKM445N-48HL4M-BDV

445 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc35.91 V36.02 V0.3%
Vmpp30.04 V30.3 V0.9%
Isc15.72 A15.6 A0.8%
Impp14.98 A14.69 A1.9%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-450M/182R-96+ GG BW PRONR

450 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.93 V0.1%
Vmpp30.04 V29.68 V1.2%
Isc15.72 A16.04 A2.0%
Impp14.98 A15.17 A1.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-450M/182R-96+ GG SW ECOLINE

450 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.93 V0.1%
Vmpp30.04 V29.68 V1.2%
Isc15.72 A16.04 A2.0%
Impp14.98 A15.17 A1.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Seraphim SRP-450-BTE-BG

450 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.78 V0.4%
Vmpp30.04 V29.81 V0.8%
Isc15.72 A15.9 A1.1%
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
Leapton Energy LP182*210-M-48-NB-450W

450 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc35.91 V35.88 V0.1%
Vmpp30.04 V29.78 V0.9%
Isc15.72 A15.97 A1.6%
Impp14.98 A15.11 A0.9%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°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

35.91 V

Vmpp

30.04 V

Isc

15.72 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

24.8 kg

The Suntech STP450S-H48-Nth+ 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
STP445S-H48-Nth+445 W35.74 V15.67 A
STP455S-H48-Nth+455 W36.08 V15.77 A
STP460S-H48-Nth+460 W36.25 V15.82 A
STP465S-H48-Nth+465 W36.42 V15.87 A

Frequently Asked Questions

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

The most critical specs to match are: cell count (must be exactly 96), Voc close to 35.91 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-Nth+?

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-Nth+.