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All replacements

Find replacement for JA Solar JAM54D40-450/LR

450 W TOPCon solar panel with 108 cells. Voc 39.3 V · Isc 14.48 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

174 panels found · 4165 panels excluded

Luxor Solar LX-455M/182R188-108+ GG BW ECOLINE v2

455 W

TOPCon
96Exact match
ParameterOriginalReplacementDeviation
Voc39.3 V39.32 V0.1%
Vmpp32.82 V32.83 V0.0%
Isc14.48 A14.66 A1.2%
Impp13.71 A13.87 A1.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JA Solar JAM54D40-445/LR

445 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.1 V0.5%
Vmpp32.82 V32.65 V0.5%
Isc14.48 A14.4 A0.6%
Impp13.71 A13.63 A0.6%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JA Solar JAM54D40-455/LR

455 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.5 V0.5%
Vmpp32.82 V33 V0.5%
Isc14.48 A14.56 A0.6%
Impp13.71 A13.79 A0.6%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JA Solar JAM54D41-445/LR

445 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.1 V0.5%
Vmpp32.82 V32.65 V0.5%
Isc14.48 A14.4 A0.6%
Impp13.71 A13.63 A0.6%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-450M/182R188-108+ GG BW ECOLINE v2

450 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.08 V0.6%
Vmpp32.82 V32.63 V0.6%
Isc14.48 A14.59 A0.8%
Impp13.71 A13.8 A0.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Canadian Solar CS6.1-54TD-460

460 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.3 V0.0%
Vmpp32.82 V33.4 V1.8%
Isc14.48 A14.69 A1.5%
Impp13.71 A13.78 A0.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JinkoSolar JKM440N-54HL4R-(V)

440 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.38 V0.2%
Vmpp32.82 V32.81 V0.0%
Isc14.48 A13.86 A4.3%
Impp13.71 A13.41 A2.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Astronergy CHSM54N-HC445

445 W

TOPCon
88Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39 V0.8%
Vmpp32.82 V32.77 V0.2%
Isc14.48 A14.41 A0.5%
Impp13.71 A13.58 A0.9%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Canadian Solar CS6.1-54TD-455

455 W

TOPCon
87Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.1 V0.5%
Vmpp32.82 V33.2 V1.2%
Isc14.48 A14.61 A0.9%
Impp13.71 A13.72 A0.1%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
TommaTech TT450-108TN10

450 W

TOPCon
86Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.31 V0.0%
Vmpp32.82 V33.14 V1.0%
Isc14.48 A14.38 A0.7%
Impp13.71 A13.58 A0.9%
TcVoc-0.25 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C
TommaTech TT450-108TNB10

450 W

TOPCon
86Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.31 V0.0%
Vmpp32.82 V33.14 V1.0%
Isc14.48 A14.38 A0.7%
Impp13.71 A13.58 A0.9%
TcVoc-0.25 %/°C-0.26 %/°C±0.010 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C
TommaTech TT450-108TNB10 G2G

450 W

TOPCon
86Good match
ParameterOriginalReplacementDeviation
Voc39.3 V39.31 V0.0%
Vmpp32.82 V33.14 V1.0%
Isc14.48 A14.38 A0.7%
Impp13.71 A13.58 A0.9%
TcVoc-0.25 %/°C-0.26 %/°C±0.010 %/°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

39.3 V

Vmpp

32.82 V

Isc

14.48 A

Impp

13.71 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

450 W

Cells

108

Length

1762 mm

Width

1134 mm

Thickness

30 mm

Weight

22 kg

The JA Solar JAM54D40-450/LR 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
JAM54D40-445/LR445 W39.1 V14.4 A
JAM54D40-455/LR455 W39.5 V14.56 A
JAM54D40-460/LR460 W39.7 V14.64 A
JAM54D40-465/LR465 W40.2 V14.65 A
JAM54D40-470/LR470 W40.4 V14.66 A

Frequently Asked Questions

What specs must match when replacing the JA Solar JAM54D40-450/LR?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 39.3 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 JA Solar JAM54D40-450/LR?

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 JAM54D40-450/LR.