Solar Stack
Solar Stack
How it worksGuidesAdd Equipment
Sign in
Solar Stack

Free solar panel & inverter compatibility checker. Verify your PV string configuration is safe before installation.

Tools

  • Calculator
  • Panel Matcher
  • Inverter Finder
  • Inverter Compare
  • Panel Replacement
  • Cable sizing

Resources

  • Guides
  • How it works
  • Standards & Compliance
  • Data API
  • Replacement methodology
  • Add Equipment
  • Feedback

Legal

  • About
  • Privacy Policy
  • Terms of Service
  • Cookie Policy

© 2026 Solar Stack

All replacements

Find replacement for JA Solar JAM72S30-550/MR

550 W PERC solar panel with 144 cells. Voc 49.9 V · Isc 14 A · TcVoc -0.275%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

98 panels found · 4241 panels excluded

Perlight Solar PLM-550H8M-144

550 W

PERC
95Exact match
ParameterOriginalReplacementDeviation
Voc49.9 V49.84 V0.1%
Vmpp41.96 V41.99 V0.1%
Isc14 A13.96 A0.3%
Impp13.11 A13.1 A0.1%
TcVoc-0.275 %/°C-0.28 %/°C±0.005 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Yingli Solar YL550D-49e 1/2

550 W

PERC
95Exact match
ParameterOriginalReplacementDeviation
Voc49.9 V49.82 V0.2%
Vmpp41.96 V42 V0.1%
Isc14 A13.97 A0.2%
Impp13.11 A13.1 A0.1%
TcVoc-0.275 %/°C-0.27 %/°C±0.005 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
JA Solar JAM72S30-555/MR

555 W

PERC
94Good match
ParameterOriginalReplacementDeviation
Voc49.9 V50.02 V0.2%
Vmpp41.96 V42.11 V0.4%
Isc14 A14.07 A0.5%
Impp13.11 A13.18 A0.5%
TcVoc-0.275 %/°C-0.275 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Risen RSM144-9-555M

555 W

PERC
93Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.91 V0.0%
Vmpp41.96 V42.29 V0.8%
Isc14 A14.04 A0.3%
Impp13.11 A13.13 A0.2%
TcVoc-0.275 %/°C-0.275 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.34 %/°C±0.010 %/°C
JA Solar JAM72S30-545/MR

545 W

PERC
93Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.75 V0.3%
Vmpp41.96 V41.8 V0.4%
Isc14 A13.93 A0.5%
Impp13.11 A13.04 A0.5%
TcVoc-0.275 %/°C-0.275 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Yingli Solar YL555D-49e 1/2

555 W

PERC
93Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.97 V0.1%
Vmpp41.96 V42.15 V0.5%
Isc14 A14.04 A0.3%
Impp13.11 A13.17 A0.5%
TcVoc-0.275 %/°C-0.27 %/°C±0.005 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
LogicPower LP-545M

545 W

PERC
92Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.9 V0.0%
Vmpp41.96 V41.93 V0.1%
Isc14 A13.81 A1.4%
Impp13.11 A13 A0.8%
TcVoc-0.275 %/°C-0.285 %/°C±0.010 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Waaree Energies WSMD-545

545 W

PERC
92Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.76 V0.3%
Vmpp41.96 V41.9 V0.1%
Isc14 A13.9 A0.7%
Impp13.11 A13.02 A0.7%
TcVoc-0.275 %/°C-0.27 %/°C±0.005 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
Risen RSM144-9-550M

550 W

PERC
91Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.8 V0.2%
Vmpp41.96 V42.2 V0.6%
Isc14 A13.94 A0.4%
Impp13.11 A13.04 A0.5%
TcVoc-0.275 %/°C-0.275 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.34 %/°C±0.010 %/°C
AE Solar AE540MD-144

540 W

PERC
91Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.9 V0.0%
Vmpp41.96 V42.15 V0.5%
Isc14 A13.57 A3.1%
Impp13.11 A12.81 A2.3%
TcVoc-0.275 %/°C-0.275 %/°C±0.000 %/°C
TcPmax-0.35 %/°C-0.35 %/°C±0.000 %/°C
LONGi LR5-72HPH-550M

550 W

PERC
90Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.8 V0.2%
Vmpp41.96 V41.95 V0.0%
Isc14 A13.98 A0.1%
Impp13.11 A13.12 A0.1%
TcVoc-0.275 %/°C-0.265 %/°C±0.010 %/°C
TcPmax-0.35 %/°C-0.34 %/°C±0.010 %/°C
LONGi LR5-72HPH-555M

555 W

PERC
89Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.95 V0.1%
Vmpp41.96 V42.1 V0.3%
Isc14 A14.04 A0.3%
Impp13.11 A13.19 A0.6%
TcVoc-0.275 %/°C-0.265 %/°C±0.010 %/°C
TcPmax-0.35 %/°C-0.34 %/°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

49.9 V

Vmpp

41.96 V

Isc

14 A

Impp

13.11 A

TcVoc

-0.275 %/°C

TcPmax

-0.35 %/°C

Pmax

550 W

Cells

144

Length

2278 mm

Width

1134 mm

Thickness

30 mm

Weight

27.3 kg

The JA Solar JAM72S30-550/MR is a 550 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
JAM72S30-540/MR540 W49.6 V13.86 A
JAM72S30-545/MR545 W49.75 V13.93 A
JAM72S30-555/MR555 W50.02 V14.07 A
JAM72S30-560/MR560 W50.15 V14.14 A
JAM72S30-565/MR565 W50.28 V14.21 A

Frequently Asked Questions

What specs must match when replacing the JA Solar JAM72S30-550/MR?

The most critical specs to match are: cell count (must be exactly 144), Voc close to 49.9 V (within ±5%), and temperature coefficient TcVoc close to -0.275%/°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 JA Solar JAM72S30-550/MR?

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 JA Solar JAM72S30-550/MR.