480 W TOPCon solar panel with 120 cells. Voc 42.71 V · Isc 14.31 A · TcVoc -0.28%/°C.
Select the panel you want to replace
Panel not in the catalogue?
35 of the 4,444 panels in the catalogue can replace Sungi Solar SNG-480W. 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.
Small differences within tolerance — safe once verified in the calculator with your inverter.
Match 81–91 % · 2 models
Noticeable differences — the string voltage and current need a careful check.
Match 60–73 % · 8 models
Large differences — a real risk of a mismatched string; prefer a closer panel.
Match 14–58 % · 25 models
String Compatibility Calculator
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Panel Matcher
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How the Algorithm Works
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Voc
42.71 V
Vmpp
35.38 V
Isc
14.31 A
Impp
13.57 A
TcVoc
-0.28 %/°C
TcPmax
-0.35 %/°C
Pmax
480 W
Cells
120
Length
1909 mm
Width
1134 mm
Thickness
30 mm
Weight
23.7 kg
The Sungi Solar SNG-480W is a 480 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.
The most critical specs to match are: cell count (must be exactly 120), Voc close to 42.71 V (within ±5%), and temperature coefficient TcVoc close to -0.28%/°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 Sungi Solar SNG-480W.