635 W TOPCon solar panel with 120 cells. Voc 44.16 V · Isc 18.3 A · TcVoc -0.26%/°C.
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26 panels found · 4313 panels excluded
630 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 43.98 V | 0.4% |
| Vmpp | 36.77 V | 36.56 V | 0.6% |
| Isc | 18.3 A | 18.26 A | 0.2% |
| Impp | 17.27 A | 17.23 A | 0.2% |
| TcVoc | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
640 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 44.34 V | 0.4% |
| Vmpp | 36.77 V | 36.97 V | 0.5% |
| Isc | 18.3 A | 18.34 A | 0.2% |
| Impp | 17.27 A | 17.31 A | 0.2% |
| TcVoc | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
635 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 44.2 V | 0.1% |
| Vmpp | 36.77 V | 36.8 V | 0.1% |
| Isc | 18.3 A | 18.33 A | 0.2% |
| Impp | 17.27 A | 17.26 A | 0.1% |
| TcVoc | -0.26 %/°C | -0.24 %/°C | ±0.020 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
625 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 43.8 V | 0.8% |
| Vmpp | 36.77 V | 36.36 V | 1.1% |
| Isc | 18.3 A | 18.22 A | 0.4% |
| Impp | 17.27 A | 17.19 A | 0.5% |
| TcVoc | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
645 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 44.52 V | 0.8% |
| Vmpp | 36.77 V | 37.18 V | 1.1% |
| Isc | 18.3 A | 18.38 A | 0.4% |
| Impp | 17.27 A | 17.35 A | 0.5% |
| TcVoc | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
645 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 44.16 V | 0.0% |
| Vmpp | 36.77 V | 37.14 V | 1.0% |
| Isc | 18.3 A | 18.34 A | 0.2% |
| Impp | 17.27 A | 17.37 A | 0.6% |
| TcVoc | -0.26 %/°C | -0.24 %/°C | ±0.020 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
645 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 43.9 V | 0.6% |
| Vmpp | 36.77 V | 36.7 V | 0.2% |
| Isc | 18.3 A | 18.56 A | 1.4% |
| Impp | 17.27 A | 17.58 A | 1.8% |
| TcVoc | -0.26 %/°C | -0.25 %/°C | ±0.010 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
640 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 43.97 V | 0.4% |
| Vmpp | 36.77 V | 37 V | 0.6% |
| Isc | 18.3 A | 18.3 A | 0.0% |
| Impp | 17.27 A | 17.3 A | 0.2% |
| TcVoc | -0.26 %/°C | -0.24 %/°C | ±0.020 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
630 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 43.9 V | 0.6% |
| Vmpp | 36.77 V | 36.6 V | 0.5% |
| Isc | 18.3 A | 18.3 A | 0.0% |
| Impp | 17.27 A | 17.22 A | 0.3% |
| TcVoc | -0.26 %/°C | -0.24 %/°C | ±0.020 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
650 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 44.7 V | 1.2% |
| Vmpp | 36.77 V | 37.38 V | 1.7% |
| Isc | 18.3 A | 18.42 A | 0.7% |
| Impp | 17.27 A | 17.39 A | 0.7% |
| TcVoc | -0.26 %/°C | -0.26 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
640 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 44.5 V | 0.8% |
| Vmpp | 36.77 V | 37 V | 0.6% |
| Isc | 18.3 A | 18.27 A | 0.2% |
| Impp | 17.27 A | 17.3 A | 0.2% |
| TcVoc | -0.26 %/°C | -0.24 %/°C | ±0.020 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
650 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 44.16 V | 44.35 V | 0.4% |
| Vmpp | 36.77 V | 37.27 V | 1.4% |
| Isc | 18.3 A | 18.38 A | 0.4% |
| Impp | 17.27 A | 17.45 A | 1.0% |
| TcVoc | -0.26 %/°C | -0.24 %/°C | ±0.020 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
String Compatibility Calculator
Verify the replacement panel works with your inverter
Panel Matcher
Find all compatible panels for a specific inverter
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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
Learn how panels are scored and matched
Voc
44.16 V
Vmpp
36.77 V
Isc
18.3 A
Impp
17.27 A
TcVoc
-0.26 %/°C
TcPmax
-0.3 %/°C
Pmax
635 W
Cells
120
Bifaciality
80%
Length
2172 mm
Width
1303 mm
Thickness
35 mm
Weight
35.5 kg
The Waaree Energies BiN-02-635 is a 635 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 |
|---|---|---|---|
| BiN-02-615 | 615 W | 43.44 V | 18.13 A |
| BiN-02-620 | 620 W | 43.62 V | 18.17 A |
| BiN-02-625 | 625 W | 43.8 V | 18.22 A |
| BiN-02-630 | 630 W | 43.98 V | 18.26 A |
| BiN-02-640 | 640 W | 44.34 V | 18.34 A |
| BiN-02-645 | 645 W | 44.52 V | 18.38 A |
| BiN-02-650 | 650 W | 44.7 V | 18.42 A |
The most critical specs to match are: cell count (must be exactly 120), Voc close to 44.16 V (within ±5%), and temperature coefficient TcVoc close to -0.26%/°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 Waaree Energies BiN-02-635.