540 W PERC solar panel with 144 cells. Voc 49.61 V · Isc 13.85 A · TcVoc -0.275%/°C.
Select the panel you want to replace
Panel not in the catalogue?
81 of the 4,444 panels in the catalogue can replace RECOM RCM-540-7DBMF. Before you buy, check your pick in the string calculator with your inverter.
CloseNoticeableLarge differenceTap or click a difference to see what it means for your string.
Near-identical electrics — a drop-in swap for the same string.
Match 95–100 % · 2 models
Small differences within tolerance — safe once verified in the calculator with your inverter.
Match 80–94 % · 41 models
Noticeable differences — the string voltage and current need a careful check.
Match 61–79 % · 20 models
Large differences — a real risk of a mismatched string; prefer a closer panel.
Match 37–59 % · 18 models
String Compatibility Calculator
Verify the replacement panel works with your inverter
Panel Matcher
Find all compatible panels for a specific inverter
Already have panels?
Find an inverter that fits your panel array with the right MPPT range and DC/AC ratio.
How the Algorithm Works
Learn how panels are scored and matched
Voc
49.61 V
Vmpp
41.65 V
Isc
13.85 A
Impp
12.97 A
TcVoc
-0.275 %/°C
TcPmax
-0.35 %/°C
Pmax
540 W
Cells
144
Bifaciality
70%
Length
2278 mm
Width
1134 mm
Thickness
30 mm
Weight
31.2 kg
The RECOM RCM-540-7DBMF is a 540 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 |
|---|---|---|---|
| RCM-530-7DBMF | 530 W | 49.31 V | 13.73 A |
| RCM-535-7DBMF | 535 W | 49.44 V | 13.78 A |
| RCM-545-7DBMF | 545 W | 49.76 V | 13.92 A |
| RCM-550-7DBMF | 550 W | 49.91 V | 14.02 A |
| RCM-555-7DBMF | 555 W | 50.03 V | 14.07 A |
The most critical specs to match are: cell count (must be exactly 144), Voc close to 49.61 V (within ±5%), and temperature coefficient TcVoc close to -0.275%/°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 RECOM RCM-540-7DBMF.