525 W TOPCon solar panel with 108 cells. Voc 40 V · Isc 16.26 A · TcVoc -0.25%/°C.
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103 panels found · 3597 panels excluded
530 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34.2 V | 0.3% |
| Isc | 16.26 A | 16.3 A | 0.2% |
| Impp | 15.4 A | 15.5 A | 0.6% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
520 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 39.9 V | 0.3% |
| Vmpp | 34.1 V | 34 V | 0.3% |
| Isc | 16.26 A | 16.22 A | 0.2% |
| Impp | 15.4 A | 15.29 A | 0.7% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
535 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.2 V | 0.5% |
| Vmpp | 34.1 V | 34.3 V | 0.6% |
| Isc | 16.26 A | 16.34 A | 0.5% |
| Impp | 15.4 A | 15.6 A | 1.3% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
505 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34.1 V | 0.0% |
| Isc | 16.26 A | 15.76 A | 3.1% |
| Impp | 15.4 A | 14.81 A | 3.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
505 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34.1 V | 0.0% |
| Isc | 16.26 A | 15.76 A | 3.1% |
| Impp | 15.4 A | 14.81 A | 3.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
505 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34.1 V | 0.0% |
| Isc | 16.26 A | 15.76 A | 3.1% |
| Impp | 15.4 A | 14.81 A | 3.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
505 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34.1 V | 0.0% |
| Isc | 16.26 A | 15.76 A | 3.1% |
| Impp | 15.4 A | 14.81 A | 3.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
505 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34.1 V | 0.0% |
| Isc | 16.26 A | 15.76 A | 3.1% |
| Impp | 15.4 A | 14.81 A | 3.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
510 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 33.5 V | 1.8% |
| Isc | 16.26 A | 16.24 A | 0.1% |
| Impp | 15.4 A | 15.22 A | 1.2% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
505 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34.1 V | 0.0% |
| Isc | 16.26 A | 15.76 A | 3.1% |
| Impp | 15.4 A | 14.81 A | 3.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
510 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 40.1 V | 0.3% |
| Vmpp | 34.1 V | 34 V | 0.3% |
| Isc | 16.26 A | 16.1 A | 1.0% |
| Impp | 15.4 A | 15 A | 2.6% |
| TcVoc | -0.25 %/°C | -0.24 %/°C | ±0.010 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
505 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 40 V | 39.99 V | 0.0% |
| Vmpp | 34.1 V | 33.32 V | 2.3% |
| Isc | 16.26 A | 16.02 A | 1.5% |
| Impp | 15.4 A | 15.16 A | 1.6% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
String Compatibility Calculator
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Panel Matcher
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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
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Voc
40 V
Vmpp
34.1 V
Isc
16.26 A
Impp
15.4 A
TcVoc
-0.25 %/°C
TcPmax
-0.29 %/°C
Pmax
525 W
Cells
108
Bifaciality
80%
Length
1962 mm
Width
1134 mm
Thickness
28 mm
Weight
27 kg
The DAH Solar HE-DHN-54Z20/DG-FS(BW)-525W is a 525 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 |
|---|---|---|---|
| 520 W | 39.9 V | 16.22 A | |
| 530 W | 40.1 V | 16.3 A | |
| 535 W | 40.2 V | 16.34 A | |
| 540 W | 40.3 V | 16.38 A |
The most critical specs to match are: cell count (must be exactly 108), Voc close to 40 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.
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 DAH Solar HE-DHN-54Z20/DG-FS(BW)-525W.