255 W TOPCon solar panel with 64 cells. Voc 23.26 V · Isc 13.87 A · TcVoc -0.25%/°C.
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4 panels found · 4335 panels excluded
260 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 23.26 V | 23.52 V | 1.1% |
| Vmpp | 19.46 V | 19.72 V | 1.3% |
| Isc | 13.87 A | 13.95 A | 0.6% |
| Impp | 13.11 A | 13.19 A | 0.6% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
265 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 23.26 V | 23.78 V | 2.2% |
| Vmpp | 19.46 V | 19.98 V | 2.7% |
| Isc | 13.87 A | 14.04 A | 1.2% |
| Impp | 13.11 A | 13.28 A | 1.3% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.29 %/°C | -0.29 %/°C | ±0.000 %/°C |
| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 23.26 V | 23.67 V | 1.8% |
| Vmpp | 19.46 V | 20.23 V | 4.0% |
| Isc | 13.87 A | 14.58 A | 5.1% |
| Impp | 13.11 A | 13.35 A | 1.8% |
| TcVoc | -0.25 %/°C | -0.22 %/°C | ±0.030 %/°C |
| TcPmax | -0.29 %/°C | -0.26 %/°C | ±0.030 %/°C |
| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 23.26 V | 23.89 V | 2.7% |
| Vmpp | 19.46 V | 20.36 V | 4.6% |
| Isc | 13.87 A | 14.65 A | 5.6% |
| Impp | 13.11 A | 13.51 A | 3.1% |
| TcVoc | -0.25 %/°C | -0.22 %/°C | ±0.030 %/°C |
| TcPmax | -0.29 %/°C | -0.26 %/°C | ±0.030 %/°C |
String Compatibility Calculator
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How the Algorithm Works
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Voc
23.26 V
Vmpp
19.46 V
Isc
13.87 A
Impp
13.11 A
TcVoc
-0.25 %/°C
TcPmax
-0.29 %/°C
Pmax
255 W
Cells
64
Bifaciality
80%
Length
1542 mm
Width
766 mm
Thickness
30 mm
Weight
15.3 kg
The DMEGC DM255M10T-B32HBT is a 255 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 |
|---|---|---|---|
| DM260M10T-B32HBT | 260 W | 23.52 V | 13.95 A |
| DM265M10T-B32HBT | 265 W | 23.78 V | 14.04 A |
| DM270M10T-B32HBT | 270 W | 24.04 V | 14.12 A |
The most critical specs to match are: cell count (must be exactly 64), Voc close to 23.26 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 DM255M10T-B32HBT.