700 W TOPCon solar panel with 132 cells. Voc 48.6 V · Isc 18.32 A · TcVoc -0.24%/°C.
Select the panel you want to replace
Panel not in the catalogue?
31 of the 4,444 panels in the catalogue can replace Trina Solar TSM-NE21-700. 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 82–92 % · 8 models
Noticeable differences — the string voltage and current need a careful check.
Match 61–78 % · 16 models
Large differences — a real risk of a mismatched string; prefer a closer panel.
Match 40–56 % · 7 models
String Compatibility Calculator
Verify the replacement panel works with your inverter
Panel Matcher
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Find an inverter that fits your panel array with the right MPPT range and DC/AC ratio.
How the Algorithm Works
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Voc
48.6 V
Vmpp
40.5 V
Isc
18.32 A
Impp
17.29 A
TcVoc
-0.24 %/°C
TcPmax
-0.29 %/°C
Pmax
700 W
Cells
132
Length
2384 mm
Width
1303 mm
Thickness
33 mm
Weight
32.9 kg
The Trina Solar TSM-NE21-700 is a 700 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 |
|---|---|---|---|
| TSM-NE21-695 | 695 W | 48.3 V | 18.28 A |
| TSM-NE21-705 | 705 W | 48.8 V | 18.36 A |
| TSM-NE21-710 | 710 W | 49 V | 18.4 A |
| TSM-NE21-715 | 715 W | 49.2 V | 18.44 A |
| TSM-NE21-720 | 720 W | 49.4 V | 18.48 A |
The most critical specs to match are: cell count (must be exactly 132), Voc close to 48.6 V (within ±5%), and temperature coefficient TcVoc close to -0.24%/°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 Trina Solar TSM-NE21-700.