575 W TOPCon solar panel with 144 cells. Voc 52.15 V · Isc 13.95 A · TcVoc -0.25%/°C.
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82 panels found · 3429 panels excluded
580 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.2 V | 0.1% |
| Vmpp | 43.17 V | 43.1 V | 0.2% |
| Isc | 13.95 A | 13.93 A | 0.1% |
| Impp | 13.32 A | 13.46 A | 1.1% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
575 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.18 V | 0.1% |
| Vmpp | 43.17 V | 43.22 V | 0.1% |
| Isc | 13.95 A | 13.58 A | 2.7% |
| Impp | 13.32 A | 13.31 A | 0.1% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
570 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 51.99 V | 0.3% |
| Vmpp | 43.17 V | 42.99 V | 0.4% |
| Isc | 13.95 A | 13.89 A | 0.4% |
| Impp | 13.32 A | 13.26 A | 0.5% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
580 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.31 V | 0.3% |
| Vmpp | 43.17 V | 43.35 V | 0.4% |
| Isc | 13.95 A | 14.01 A | 0.4% |
| Impp | 13.32 A | 13.38 A | 0.5% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
580 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.11 V | 0.1% |
| Vmpp | 43.17 V | 43.04 V | 0.3% |
| Isc | 13.95 A | 14.34 A | 2.8% |
| Impp | 13.32 A | 13.48 A | 1.2% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
575 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52 V | 0.3% |
| Vmpp | 43.17 V | 42.9 V | 0.6% |
| Isc | 13.95 A | 13.88 A | 0.5% |
| Impp | 13.32 A | 13.41 A | 0.7% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
570 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52 V | 0.3% |
| Vmpp | 43.17 V | 43.07 V | 0.2% |
| Isc | 13.95 A | 13.52 A | 3.1% |
| Impp | 13.32 A | 13.24 A | 0.6% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
580 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.36 V | 0.4% |
| Vmpp | 43.17 V | 43.43 V | 0.6% |
| Isc | 13.95 A | 13.61 A | 2.4% |
| Impp | 13.32 A | 13.36 A | 0.3% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
595 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.16 V | 0.0% |
| Vmpp | 43.17 V | 43.88 V | 1.6% |
| Isc | 13.95 A | 14.25 A | 2.2% |
| Impp | 13.32 A | 13.56 A | 1.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
585 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.47 V | 0.6% |
| Vmpp | 43.17 V | 43.53 V | 0.8% |
| Isc | 13.95 A | 14.01 A | 0.4% |
| Impp | 13.32 A | 13.44 A | 0.9% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
590 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 51.95 V | 0.4% |
| Vmpp | 43.17 V | 43.67 V | 1.2% |
| Isc | 13.95 A | 14.18 A | 1.6% |
| Impp | 13.32 A | 13.51 A | 1.4% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
585 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 52.15 V | 52.42 V | 0.5% |
| Vmpp | 43.17 V | 43.3 V | 0.3% |
| Isc | 13.95 A | 14.38 A | 3.1% |
| Impp | 13.32 A | 13.52 A | 1.5% |
| 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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How the Algorithm Works
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Voc
52.15 V
Vmpp
43.17 V
Isc
13.95 A
Impp
13.32 A
TcVoc
-0.25 %/°C
TcPmax
-0.29 %/°C
Pmax
575 W
Cells
144
Length
2278 mm
Width
1134 mm
Thickness
30 mm
Weight
27 kg
The United Energy UE575T-72H is a 575 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 |
|---|---|---|---|
| 570 W | 51.99 V | 13.89 A | |
| 580 W | 52.31 V | 14.01 A | |
| 585 W | 52.47 V | 14.01 A | |
| 590 W | 52.63 V | 14.13 A | |
| 590 W | 52.63 V | 14.13 A |
The most critical specs to match are: cell count (must be exactly 144), Voc close to 52.15 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 United Energy UE575T-72H.