530 W TOPCon solar panel with 162 cells. Voc 41.02 V · Isc 16.48 A · TcVoc -0.22%/°C.
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525 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 40.95 V | 0.2% |
| Vmpp | 33.77 V | 33.55 V | 0.7% |
| Isc | 16.48 A | 16.43 A | 0.3% |
| Impp | 15.7 A | 15.65 A | 0.3% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
535 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 41.1 V | 0.2% |
| Vmpp | 33.77 V | 33.98 V | 0.6% |
| Isc | 16.48 A | 16.53 A | 0.3% |
| Impp | 15.7 A | 15.74 A | 0.3% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
540 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 41.02 V | 0.0% |
| Vmpp | 33.77 V | 33.69 V | 0.2% |
| Isc | 16.48 A | 16.83 A | 2.1% |
| Impp | 15.7 A | 16.03 A | 2.1% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
545 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 41.1 V | 0.2% |
| Vmpp | 33.77 V | 33.9 V | 0.4% |
| Isc | 16.48 A | 16.88 A | 2.4% |
| Impp | 15.7 A | 16.08 A | 2.4% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
535 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 40.95 V | 0.2% |
| Vmpp | 33.77 V | 33.48 V | 0.9% |
| Isc | 16.48 A | 16.78 A | 1.8% |
| Impp | 15.7 A | 15.98 A | 1.8% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
520 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 40.88 V | 0.3% |
| Vmpp | 33.77 V | 33.33 V | 1.3% |
| Isc | 16.48 A | 16.38 A | 0.6% |
| Impp | 15.7 A | 15.6 A | 0.6% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
540 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 41.17 V | 0.4% |
| Vmpp | 33.77 V | 34.2 V | 1.3% |
| Isc | 16.48 A | 16.58 A | 0.6% |
| Impp | 15.7 A | 15.79 A | 0.6% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
530 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 40.88 V | 0.3% |
| Vmpp | 33.77 V | 33.26 V | 1.5% |
| Isc | 16.48 A | 16.73 A | 1.5% |
| Impp | 15.7 A | 15.93 A | 1.5% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
550 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 41.17 V | 0.4% |
| Vmpp | 33.77 V | 34.11 V | 1.0% |
| Isc | 16.48 A | 16.93 A | 2.7% |
| Impp | 15.7 A | 16.12 A | 2.7% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
515 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 40.79 V | 0.6% |
| Vmpp | 33.77 V | 33.11 V | 2.0% |
| Isc | 16.48 A | 16.33 A | 0.9% |
| Impp | 15.7 A | 15.55 A | 1.0% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
525 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 41.02 V | 40.79 V | 0.6% |
| Vmpp | 33.77 V | 33.05 V | 2.1% |
| Isc | 16.48 A | 16.68 A | 1.2% |
| Impp | 15.7 A | 15.89 A | 1.2% |
| TcVoc | -0.22 %/°C | -0.22 %/°C | ±0.000 %/°C |
| TcPmax | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
String Compatibility Calculator
Verify the replacement panel works with your inverter
Panel Matcher
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How the Algorithm Works
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Voc
41.02 V
Vmpp
33.77 V
Isc
16.48 A
Impp
15.7 A
TcVoc
-0.22 %/°C
TcPmax
-0.26 %/°C
Pmax
530 W
Cells
162
Length
1961 mm
Width
1134 mm
Thickness
30 mm
Weight
27.4 kg
The JA Solar JAM54D51-530/GR is a 530 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.
| Model | Power | Voc | Isc |
|---|---|---|---|
| JAM54D51-515/GR | 515 W | 40.79 V | 16.33 A |
| JAM54D51-520/GR | 520 W | 40.88 V | 16.38 A |
| JAM54D51-525/GR | 525 W | 40.95 V | 16.43 A |
| JAM54D51-535/GR | 535 W | 41.1 V | 16.53 A |
| JAM54D51-540/GR | 540 W | 41.17 V | 16.58 A |
The most critical specs to match are: cell count (must be exactly 162), Voc close to 41.02 V (within ±5%), and temperature coefficient TcVoc close to -0.22%/°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.
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.
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 JAM54D51-530/GR.