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All replacements

Find replacement for S-Energy SL65-66MAJ-490Z

490 W PERC solar panel with 132 cells. Voc 45.3 V · Isc 13.72 A · TcVoc -0.29%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

11 panels found · 4328 panels excluded

S-Energy SL65-66MBJ-490Z

490 W

PERC
100Exact match
ParameterOriginalReplacementDeviation
Voc45.3 V45.3 V0.0%
Vmpp37.7 V37.7 V0.0%
Isc13.72 A13.72 A0.0%
Impp13 A13 A0.0%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MAJ-485Z

485 W

PERC
91Good match
ParameterOriginalReplacementDeviation
Voc45.3 V45.1 V0.4%
Vmpp37.7 V37.5 V0.5%
Isc13.72 A13.66 A0.4%
Impp13 A12.94 A0.5%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MAJ-495Z

495 W

PERC
91Good match
ParameterOriginalReplacementDeviation
Voc45.3 V45.5 V0.4%
Vmpp37.7 V37.9 V0.5%
Isc13.72 A13.78 A0.4%
Impp13 A13.07 A0.5%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MBJ-485Z

485 W

PERC
91Good match
ParameterOriginalReplacementDeviation
Voc45.3 V45.1 V0.4%
Vmpp37.7 V37.5 V0.5%
Isc13.72 A13.66 A0.4%
Impp13 A12.94 A0.5%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MBJ-495Z

495 W

PERC
91Good match
ParameterOriginalReplacementDeviation
Voc45.3 V45.5 V0.4%
Vmpp37.7 V37.9 V0.5%
Isc13.72 A13.78 A0.4%
Impp13 A13.07 A0.5%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MAJ-480Z

480 W

PERC
82Good match
ParameterOriginalReplacementDeviation
Voc45.3 V44.9 V0.9%
Vmpp37.7 V37.3 V1.1%
Isc13.72 A13.6 A0.9%
Impp13 A12.87 A1.0%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MAJ-500Z

500 W

PERC
82Good match
ParameterOriginalReplacementDeviation
Voc45.3 V45.7 V0.9%
Vmpp37.7 V38.1 V1.1%
Isc13.72 A13.84 A0.9%
Impp13 A13.13 A1.0%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MBJ-500Z

500 W

PERC
82Good match
ParameterOriginalReplacementDeviation
Voc45.3 V45.7 V0.9%
Vmpp37.7 V38.1 V1.1%
Isc13.72 A13.84 A0.9%
Impp13 A13.13 A1.0%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MAJ-505Z

505 W

PERC
73Acceptable
ParameterOriginalReplacementDeviation
Voc45.3 V45.9 V1.3%
Vmpp37.7 V38.3 V1.6%
Isc13.72 A13.9 A1.3%
Impp13 A13.19 A1.5%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-66MBJ-505Z

505 W

PERC
73Acceptable
ParameterOriginalReplacementDeviation
Voc45.3 V45.9 V1.3%
Vmpp37.7 V38.3 V1.6%
Isc13.72 A13.9 A1.3%
Impp13 A13.19 A1.5%
TcVoc-0.29 %/°C-0.29 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Tensite EM500-PH

500 W

PERC
73Acceptable
ParameterOriginalReplacementDeviation
Voc45.3 V45.55 V0.6%
Vmpp37.7 V38.35 V1.7%
Isc13.72 A13.93 A1.5%
Impp13 A13.04 A0.3%
TcVoc-0.29 %/°C-0.27 %/°C±0.020 %/°C
TcPmax-0.35 %/°C-0.35 %/°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

45.3 V

Vmpp

37.7 V

Isc

13.72 A

Impp

13 A

TcVoc

-0.29 %/°C

TcPmax

-0.35 %/°C

Pmax

490 W

Cells

132

Length

2100 mm

Width

1134 mm

Thickness

35 mm

Weight

27 kg

The S-Energy SL65-66MAJ-490Z is a 490 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
SL65-66MAJ-480Z480 W44.9 V13.6 A
SL65-66MAJ-485Z485 W45.1 V13.66 A
SL65-66MAJ-495Z495 W45.5 V13.78 A
SL65-66MAJ-500Z500 W45.7 V13.84 A
SL65-66MAJ-505Z505 W45.9 V13.9 A

Frequently Asked Questions

What specs must match when replacing the S-Energy SL65-66MAJ-490Z?

The most critical specs to match are: cell count (must be exactly 132), Voc close to 45.3 V (within ±5%), and temperature coefficient TcVoc close to -0.29%/°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 SL65-66MAJ-490Z?

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 SL65-66MAJ-490Z.