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All replacements

Find replacement for Waaree Energies WSMD-515

515 W PERC solar panel with 144 cells. Voc 48.86 V · Isc 13.49 A · TcVoc -0.27%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

24 panels found · 4315 panels excluded

Waaree Energies WSMD-520

520 W

PERC
93Good match
ParameterOriginalReplacementDeviation
Voc48.86 V49.01 V0.3%
Vmpp40.99 V41.14 V0.4%
Isc13.49 A13.55 A0.4%
Impp12.57 A12.65 A0.6%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Waaree Energies WSMD-525

525 W

PERC
86Good match
ParameterOriginalReplacementDeviation
Voc48.86 V49.16 V0.6%
Vmpp40.99 V41.29 V0.7%
Isc13.49 A13.63 A1.0%
Impp12.57 A12.73 A1.3%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Yingli Solar YL530D-49e 1/2

530 W

PERC
82Good match
ParameterOriginalReplacementDeviation
Voc48.86 V49.22 V0.7%
Vmpp40.99 V41.4 V1.0%
Isc13.49 A13.69 A1.5%
Impp12.57 A12.81 A1.9%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
München Solar MSMD530M10-72

530 W

PERC
81Good match
ParameterOriginalReplacementDeviation
Voc48.86 V49 V0.3%
Vmpp40.99 V40.8 V0.5%
Isc13.49 A13.76 A2.0%
Impp12.57 A13 A3.4%
TcVoc-0.27 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.35 %/°C-0.36 %/°C±0.010 %/°C
Waaree Energies WSMD-530

530 W

PERC
79Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.31 V0.9%
Vmpp40.99 V41.45 V1.1%
Isc13.49 A13.69 A1.5%
Impp12.57 A12.8 A1.8%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Perlight Solar PLM-530H8M-144

530 W

PERC
79Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.16 V0.6%
Vmpp40.99 V41.31 V0.8%
Isc13.49 A13.72 A1.7%
Impp12.57 A12.83 A2.1%
TcVoc-0.27 %/°C-0.28 %/°C±0.010 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-72MAJ-525Z

525 W

PERC
78Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.1 V0.5%
Vmpp40.99 V40.8 V0.5%
Isc13.49 A13.6 A0.8%
Impp12.57 A12.88 A2.5%
TcVoc-0.27 %/°C-0.29 %/°C±0.020 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-72MBJ-525Z

525 W

PERC
78Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.1 V0.5%
Vmpp40.99 V40.8 V0.5%
Isc13.49 A13.6 A0.8%
Impp12.57 A12.88 A2.5%
TcVoc-0.27 %/°C-0.29 %/°C±0.020 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
München Solar MSMD535M10-72

535 W

PERC
76Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.2 V0.7%
Vmpp40.99 V41 V0.0%
Isc13.49 A13.81 A2.4%
Impp12.57 A13.05 A3.8%
TcVoc-0.27 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.35 %/°C-0.36 %/°C±0.010 %/°C
Yingli Solar YL535D-49e 1/2

535 W

PERC
75Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.37 V1.0%
Vmpp40.99 V41.55 V1.4%
Isc13.49 A13.76 A2.0%
Impp12.57 A12.88 A2.5%
TcVoc-0.27 %/°C-0.27 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-72MAJ-530Z

530 W

PERC
74Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.3 V0.9%
Vmpp40.99 V41 V0.0%
Isc13.49 A13.66 A1.3%
Impp12.57 A12.94 A2.9%
TcVoc-0.27 %/°C-0.29 %/°C±0.020 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
S-Energy SL65-72MBJ-530Z

530 W

PERC
74Acceptable
ParameterOriginalReplacementDeviation
Voc48.86 V49.3 V0.9%
Vmpp40.99 V41 V0.0%
Isc13.49 A13.66 A1.3%
Impp12.57 A12.94 A2.9%
TcVoc-0.27 %/°C-0.29 %/°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

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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

48.86 V

Vmpp

40.99 V

Isc

13.49 A

Impp

12.57 A

TcVoc

-0.27 %/°C

TcPmax

-0.35 %/°C

Pmax

515 W

Cells

144

Length

2278 mm

Width

1134 mm

Thickness

35 mm

Weight

28 kg

The Waaree Energies WSMD-515 is a 515 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
WSMD-520520 W49.01 V13.55 A
WSMD-525525 W49.16 V13.63 A
WSMD-530530 W49.31 V13.69 A
WSMD-535535 W49.46 V13.76 A
WSMD-540540 W49.61 V13.83 A
WSMD-545545 W49.76 V13.9 A

Frequently Asked Questions

What specs must match when replacing the Waaree Energies WSMD-515?

The most critical specs to match are: cell count (must be exactly 144), Voc close to 48.86 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 Waaree Energies WSMD-515?

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 Waaree Energies WSMD-515.