560 W PERC solar panel with 110 cells. Voc 38.68 V · Isc 18.38 A · TcVoc -0.25%/°C.
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String Compatibility Calculator
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How the Algorithm Works
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Voc
38.68 V
Vmpp
32.26 V
Isc
18.38 A
Impp
17.37 A
TcVoc
-0.25 %/°C
TcPmax
-0.34 %/°C
Pmax
560 W
Cells
110
Length
2384 mm
Width
1096 mm
Thickness
35 mm
Weight
29 kg
The Risen RSM110-8-560M is a 560 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 |
|---|---|---|---|
| 535 W | 37.58 V | 18.13 A | |
| 540 W | 37.78 V | 18.18 A | |
| 545 W | 38.02 V | 18.23 A | |
| 550 W | 38.24 V | 18.28 A | |
| 555 W | 38.46 V | 18.33 A |
The most critical specs to match are: cell count (must be exactly 110), Voc close to 38.68 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 Risen RSM110-8-560M.