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All replacements

Find replacement for Waaree Energies BiN-02-640

640 W TOPCon solar panel with 120 cells. Voc 44.34 V · Isc 18.34 A · TcVoc -0.26%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

26 panels found · 4313 panels excluded

Waaree Energies BiN-02-635

635 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc44.34 V44.16 V0.4%
Vmpp36.97 V36.77 V0.5%
Isc18.34 A18.3 A0.2%
Impp17.31 A17.27 A0.2%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
Waaree Energies BiN-02-645

645 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc44.34 V44.52 V0.4%
Vmpp36.97 V37.18 V0.6%
Isc18.34 A18.38 A0.2%
Impp17.31 A17.35 A0.2%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
Waaree Energies BiN-02-630

630 W

TOPCon
84Good match
ParameterOriginalReplacementDeviation
Voc44.34 V43.98 V0.8%
Vmpp36.97 V36.56 V1.1%
Isc18.34 A18.26 A0.4%
Impp17.31 A17.23 A0.5%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
Waaree Energies BiN-02-650

650 W

TOPCon
84Good match
ParameterOriginalReplacementDeviation
Voc44.34 V44.7 V0.8%
Vmpp36.97 V37.38 V1.1%
Isc18.34 A18.42 A0.4%
Impp17.31 A17.39 A0.5%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
Yingli Solar YL650CF60 f/2

650 W

TOPCon
83Good match
ParameterOriginalReplacementDeviation
Voc44.34 V44.35 V0.0%
Vmpp36.97 V37.27 V0.8%
Isc18.34 A18.38 A0.2%
Impp17.31 A17.45 A0.8%
TcVoc-0.26 %/°C-0.24 %/°C±0.020 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Trina Solar TSM-NEG20C.20-640

640 W

TOPCon
82Good match
ParameterOriginalReplacementDeviation
Voc44.34 V44.5 V0.4%
Vmpp36.97 V37 V0.1%
Isc18.34 A18.27 A0.4%
Impp17.31 A17.3 A0.1%
TcVoc-0.26 %/°C-0.24 %/°C±0.020 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Trina Solar TSM-NEG20C.20-635

635 W

TOPCon
81Good match
ParameterOriginalReplacementDeviation
Voc44.34 V44.2 V0.3%
Vmpp36.97 V36.8 V0.5%
Isc18.34 A18.33 A0.1%
Impp17.31 A17.26 A0.3%
TcVoc-0.26 %/°C-0.24 %/°C±0.020 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Yingli Solar YL645CF60 f/2

645 W

TOPCon
80Good match
ParameterOriginalReplacementDeviation
Voc44.34 V44.16 V0.4%
Vmpp36.97 V37.14 V0.5%
Isc18.34 A18.34 A0.0%
Impp17.31 A17.37 A0.3%
TcVoc-0.26 %/°C-0.24 %/°C±0.020 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Yingli Solar YL640CF60 f/2

640 W

TOPCon
76Acceptable
ParameterOriginalReplacementDeviation
Voc44.34 V43.97 V0.8%
Vmpp36.97 V37 V0.1%
Isc18.34 A18.3 A0.2%
Impp17.31 A17.3 A0.1%
TcVoc-0.26 %/°C-0.24 %/°C±0.020 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Waaree Energies BiN-02-625

625 W

TOPCon
76Acceptable
ParameterOriginalReplacementDeviation
Voc44.34 V43.8 V1.2%
Vmpp36.97 V36.36 V1.6%
Isc18.34 A18.22 A0.7%
Impp17.31 A17.19 A0.7%
TcVoc-0.26 %/°C-0.26 %/°C±0.000 %/°C
TcPmax-0.3 %/°C-0.3 %/°C±0.000 %/°C
Yingli Solar YL655CF60 f/2

655 W

TOPCon
75Acceptable
ParameterOriginalReplacementDeviation
Voc44.34 V44.54 V0.5%
Vmpp36.97 V37.41 V1.2%
Isc18.34 A18.42 A0.4%
Impp17.31 A17.51 A1.2%
TcVoc-0.26 %/°C-0.24 %/°C±0.020 %/°C
TcPmax-0.3 %/°C-0.29 %/°C±0.010 %/°C
Canadian Solar CS7L-645TB-AG

645 W

TOPCon
74Acceptable
ParameterOriginalReplacementDeviation
Voc44.34 V43.9 V1.0%
Vmpp36.97 V36.7 V0.7%
Isc18.34 A18.56 A1.2%
Impp17.31 A17.58 A1.6%
TcVoc-0.26 %/°C-0.25 %/°C±0.010 %/°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

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

Original Panel Specs

Voc

44.34 V

Vmpp

36.97 V

Isc

18.34 A

Impp

17.31 A

TcVoc

-0.26 %/°C

TcPmax

-0.3 %/°C

Pmax

640 W

Cells

120

Bifaciality

80%

Length

2172 mm

Width

1303 mm

Thickness

35 mm

Weight

35.5 kg

The Waaree Energies BiN-02-640 is a 640 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.

Other models in this series

ModelPowerVocIsc
BiN-02-615615 W43.44 V18.13 A
BiN-02-620620 W43.62 V18.17 A
BiN-02-625625 W43.8 V18.22 A
BiN-02-630630 W43.98 V18.26 A
BiN-02-635635 W44.16 V18.3 A
BiN-02-645645 W44.52 V18.38 A
BiN-02-650650 W44.7 V18.42 A

Frequently Asked Questions

What specs must match when replacing the Waaree Energies BiN-02-640?

The most critical specs to match are: cell count (must be exactly 120), Voc close to 44.34 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.

Can I use a higher wattage replacement for the Waaree Energies BiN-02-640?

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.

What happens if the replacement panel has different voltage specs?

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-02-640.