520 W TOPCon solar panel with 120 cells. Voc 44.5 V · Isc 14.72 A · TcVoc -0.25%/°C.
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64 panels found · 3646 panels excluded
520 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.5 V | 44.5 V | 0.0% |
| Vmpp | 37.9 V | 37.9 V | 0.0% |
| Isc | 14.72 A | 14.72 A | 0.0% |
| Impp | 13.72 A | 13.72 A | 0.0% |
| 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 | 44.5 V | 44.5 V | 0.0% |
| Vmpp | 37.9 V | 37.9 V | 0.0% |
| Isc | 14.72 A | 14.72 A | 0.0% |
| Impp | 13.72 A | 13.72 A | 0.0% |
| 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 | 44.5 V | 44.5 V | 0.0% |
| Vmpp | 37.9 V | 37.9 V | 0.0% |
| Isc | 14.72 A | 14.72 A | 0.0% |
| Impp | 13.72 A | 13.72 A | 0.0% |
| 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 | 44.5 V | 44.5 V | 0.0% |
| Vmpp | 37.9 V | 37.9 V | 0.0% |
| Isc | 14.72 A | 14.72 A | 0.0% |
| Impp | 13.72 A | 13.72 A | 0.0% |
| 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 | 44.5 V | 44.5 V | 0.0% |
| Vmpp | 37.9 V | 37.9 V | 0.0% |
| Isc | 14.72 A | 14.72 A | 0.0% |
| Impp | 13.72 A | 13.72 A | 0.0% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
515 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.5 V | 44.3 V | 0.4% |
| Vmpp | 37.9 V | 37.7 V | 0.5% |
| Isc | 14.72 A | 14.66 A | 0.4% |
| Impp | 13.72 A | 13.66 A | 0.4% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
515 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.5 V | 44.3 V | 0.4% |
| Vmpp | 37.9 V | 37.7 V | 0.5% |
| Isc | 14.72 A | 14.66 A | 0.4% |
| Impp | 13.72 A | 13.66 A | 0.4% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
515 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.5 V | 44.3 V | 0.4% |
| Vmpp | 37.9 V | 37.7 V | 0.5% |
| Isc | 14.72 A | 14.66 A | 0.4% |
| Impp | 13.72 A | 13.66 A | 0.4% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
515 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.5 V | 44.3 V | 0.4% |
| Vmpp | 37.9 V | 37.7 V | 0.5% |
| Isc | 14.72 A | 14.66 A | 0.4% |
| Impp | 13.72 A | 13.66 A | 0.4% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
515 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.5 V | 44.3 V | 0.4% |
| Vmpp | 37.9 V | 37.7 V | 0.5% |
| Isc | 14.72 A | 14.66 A | 0.4% |
| Impp | 13.72 A | 13.66 A | 0.4% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
515 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.5 V | 44.3 V | 0.4% |
| Vmpp | 37.9 V | 37.7 V | 0.5% |
| Isc | 14.72 A | 14.66 A | 0.4% |
| Impp | 13.72 A | 13.66 A | 0.4% |
| 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 | 44.5 V | 44.6 V | 0.2% |
| Vmpp | 37.9 V | 37.3 V | 1.6% |
| Isc | 14.72 A | 14.29 A | 2.9% |
| Impp | 13.72 A | 13.67 A | 0.4% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
String Compatibility Calculator
Verify the replacement panel works with your inverter
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
44.5 V
Vmpp
37.9 V
Isc
14.72 A
Impp
13.72 A
TcVoc
-0.25 %/°C
TcPmax
-0.29 %/°C
Pmax
520 W
Cells
120
Bifaciality
80%
Length
1994 mm
Width
1134 mm
Thickness
30 mm
Weight
27 kg
The DAH Solar DHN-60R20/DG(BB)-520W is a 520 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 |
|---|---|---|---|
| DHN-60R20/DG(BB)-495W | 495 W | 43.5 V | 14.42 A |
| DHN-60R20/DG(BB)-500W | 500 W | 43.7 V | 14.48 A |
| DHN-60R20/DG(BB)-505W | 505 W | 43.9 V | 14.54 A |
| DHN-60R20/DG(BB)-510W | 510 W | 44.1 V | 14.6 A |
| DHN-60R20/DG(BB)-515W | 515 W | 44.3 V | 14.66 A |
The most critical specs to match are: cell count (must be exactly 120), Voc close to 44.5 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 DHN-60R20/DG(BB)-520W.