430 W TOPCon solar panel with 88 cells. Voc 33.48 V · Isc 15.89 A · TcVoc -0.25%/°C.
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3 panels found · 4336 panels excluded
425 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 33.48 V | 33.34 V | 0.4% |
| Vmpp | 28.8 V | 28.56 V | 0.8% |
| Isc | 15.89 A | 15.84 A | 0.3% |
| Impp | 14.93 A | 14.88 A | 0.3% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
420 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 33.48 V | 33.2 V | 0.8% |
| Vmpp | 28.8 V | 28.32 V | 1.7% |
| Isc | 15.89 A | 15.79 A | 0.6% |
| Impp | 14.93 A | 14.83 A | 0.7% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
415 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 33.48 V | 33.06 V | 1.3% |
| Vmpp | 28.8 V | 28.08 V | 2.5% |
| Isc | 15.89 A | 15.74 A | 0.9% |
| Impp | 14.93 A | 14.78 A | 1.0% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
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Voc
33.48 V
Vmpp
28.8 V
Isc
15.89 A
Impp
14.93 A
TcVoc
-0.25 %/°C
TcPmax
-0.29 %/°C
Pmax
430 W
Cells
88
Bifaciality
80%
Length
2382 mm
Width
1134 mm
Thickness
30 mm
Weight
32 kg
The DMEGC GH430G12RT-B44HST is a 430 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 |
|---|---|---|---|
| GH415G12RT-B44HST | 415 W | 33.06 V | 15.74 A |
| GH420G12RT-B44HST | 420 W | 33.2 V | 15.79 A |
| GH425G12RT-B44HST | 425 W | 33.34 V | 15.84 A |
The most critical specs to match are: cell count (must be exactly 88), Voc close to 33.48 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 DMEGC GH430G12RT-B44HST.