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All replacements

Find replacement for S-Energy SL65-54TDP-420R

420 W TOPCon solar panel with 108 cells. Voc 38.1 V · Isc 14.23 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

130 panels found · 4209 panels excluded

S-Energy SL65-54TEP-420R

420 W

TOPCon
100Exact match
ParameterOriginalReplacementDeviation
Voc38.1 V38.1 V0.0%
Vmpp32.01 V32.01 V0.0%
Isc14.23 A14.23 A0.0%
Impp13.12 A13.12 A0.0%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
S-Energy SL65-54TDP-425R

425 W

TOPCon
93Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.21 V0.3%
Vmpp32.01 V32.15 V0.4%
Isc14.23 A14.3 A0.5%
Impp13.12 A13.22 A0.8%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
S-Energy SL65-54TEP-425R

425 W

TOPCon
93Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.21 V0.3%
Vmpp32.01 V32.15 V0.4%
Isc14.23 A14.3 A0.5%
Impp13.12 A13.22 A0.8%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
S-Energy SL65-54TDP-415R

415 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc38.1 V37.99 V0.3%
Vmpp32.01 V31.75 V0.8%
Isc14.23 A14.16 A0.5%
Impp13.12 A13.07 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
S-Energy SL65-54TEP-415R

415 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc38.1 V37.99 V0.3%
Vmpp32.01 V31.75 V0.8%
Isc14.23 A14.16 A0.5%
Impp13.12 A13.07 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
JA Solar JAM54D41-420/GB

420 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.08 V0.1%
Vmpp32.01 V31.79 V0.7%
Isc14.23 A14.09 A1.0%
Impp13.12 A13.21 A0.7%
TcVoc-0.25 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
JA Solar JAM54D41-425/GB

425 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.23 V0.3%
Vmpp32.01 V32 V0.0%
Isc14.23 A14.16 A0.5%
Impp13.12 A13.28 A1.2%
TcVoc-0.25 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
Luxor Solar LX-420M/182-108+ GG BT ECOLINE

420 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.09 V0.0%
Vmpp32.01 V31.46 V1.7%
Isc14.23 A14.09 A1.0%
Impp13.12 A13.36 A1.8%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
Luxor Solar LX-420M/182-108+ GG BW ECOLINE

420 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.15 V0.1%
Vmpp32.01 V31.51 V1.6%
Isc14.23 A14.07 A1.1%
Impp13.12 A13.34 A1.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
RECOM RCM-420-7DBNG

420 W

TOPCon
87Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.11 V0.0%
Vmpp32.01 V31.51 V1.6%
Isc14.23 A14.07 A1.1%
Impp13.12 A13.33 A1.6%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Luxor Solar LX-420M/182-108+ GG BB ECOLINE

420 W

TOPCon
86Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.09 V0.0%
Vmpp32.01 V31.46 V1.7%
Isc14.23 A14.09 A1.0%
Impp13.12 A13.36 A1.8%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Luxor Solar LX-425M/182-108+ GG BT ECOLINE

425 W

TOPCon
85Good match
ParameterOriginalReplacementDeviation
Voc38.1 V38.32 V0.6%
Vmpp32.01 V31.65 V1.1%
Isc14.23 A14.18 A0.4%
Impp13.12 A13.44 A2.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°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

38.1 V

Vmpp

32.01 V

Isc

14.23 A

Impp

13.12 A

TcVoc

-0.25 %/°C

TcPmax

-0.3 %/°C

Pmax

420 W

Cells

108

Bifaciality

70%

Length

1722 mm

Width

1133 mm

Thickness

30 mm

Weight

23.5 kg

The S-Energy SL65-54TDP-420R 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

ModelPowerVocIsc
SL65-54TDP-410R410 W37.8 V14.07 A
SL65-54TDP-415R415 W37.99 V14.16 A
SL65-54TDP-425R425 W38.21 V14.3 A
SL65-54TDP-430R430 W38.42 V14.36 A

Frequently Asked Questions

What specs must match when replacing the S-Energy SL65-54TDP-420R?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 38.1 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 S-Energy SL65-54TDP-420R?

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 S-Energy SL65-54TDP-420R.