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All replacements

Find replacement for Astronergy CHSM66NDGF-BH735

735 W TOPCon solar panel with 132 cells. Voc 49.77 V · Isc 18.72 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

127 panels found · 4212 panels excluded

DMEGC DM735G12T-B66HSW

735 W

TOPCon
96Exact match
ParameterOriginalReplacementDeviation
Voc49.77 V49.74 V0.1%
Vmpp41.41 V41.63 V0.5%
Isc18.72 A18.75 A0.2%
Impp17.75 A17.66 A0.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
DMEGC DM730G12T-B66HSW

730 W

TOPCon
94Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.56 V0.4%
Vmpp41.41 V41.45 V0.1%
Isc18.72 A18.7 A0.1%
Impp17.75 A17.62 A0.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-720M/210-132+ GG TOPCon

720 W

TOPCon
93Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.85 V0.2%
Vmpp41.41 V41.18 V0.6%
Isc18.72 A18.61 A0.6%
Impp17.75 A17.49 A1.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-720M/210-132+ GG SW ECOLINE

720 W

TOPCon
93Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.85 V0.2%
Vmpp41.41 V41.18 V0.6%
Isc18.72 A18.61 A0.6%
Impp17.75 A17.49 A1.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Astronergy CHSM66NDGF-BH730

730 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.57 V0.4%
Vmpp41.41 V41.24 V0.4%
Isc18.72 A18.67 A0.3%
Impp17.75 A17.7 A0.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Canadian Solar CS7N-745TB-AG

745 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.7 V0.1%
Vmpp41.41 V41.8 V0.9%
Isc18.72 A18.94 A1.2%
Impp17.75 A17.85 A0.6%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
JinkoSolar JKM735N-66HL5-BDV

735 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.52 V0.5%
Vmpp41.41 V41.23 V0.4%
Isc18.72 A18.88 A0.9%
Impp17.75 A17.83 A0.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-715M/210-132+ GG TOPCon

715 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.61 V0.3%
Vmpp41.41 V40.98 V1.0%
Isc18.72 A18.56 A0.9%
Impp17.75 A17.45 A1.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-725M/210-132+ GG TOPCon

725 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.77 V50.11 V0.7%
Vmpp41.41 V41.39 V0.0%
Isc18.72 A18.64 A0.4%
Impp17.75 A17.52 A1.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-715M/210-132+ GG SW ECOLINE

715 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.61 V0.3%
Vmpp41.41 V40.98 V1.0%
Isc18.72 A18.56 A0.9%
Impp17.75 A17.45 A1.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-725M/210-132+ GG SW ECOLINE

725 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.77 V50.11 V0.7%
Vmpp41.41 V41.39 V0.0%
Isc18.72 A18.64 A0.4%
Impp17.75 A17.52 A1.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-715M/210-132+ GG BW ECOLINE

715 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.77 V49.61 V0.3%
Vmpp41.41 V40.98 V1.0%
Isc18.72 A18.56 A0.9%
Impp17.75 A17.45 A1.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°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

49.77 V

Vmpp

41.41 V

Isc

18.72 A

Impp

17.75 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

735 W

Cells

132

Bifaciality

80%

Length

2384 mm

Width

1303 mm

Thickness

33 mm

Weight

38 kg

The Astronergy CHSM66NDGF-BH735 is a 735 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
CHSM66NDGF-BH710710 W48.77 V18.48 A
CHSM66NDGF-BH715715 W48.97 V18.53 A
CHSM66NDGF-BH720720 W49.17 V18.58 A
CHSM66NDGF-BH725725 W49.37 V18.63 A
CHSM66NDGF-BH730730 W49.57 V18.67 A

Frequently Asked Questions

What specs must match when replacing the Astronergy CHSM66NDGF-BH735?

The most critical specs to match are: cell count (must be exactly 132), Voc close to 49.77 V (within ±5%), and temperature coefficient TcVoc close to -0.25%/°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 Astronergy CHSM66NDGF-BH735?

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 Astronergy CHSM66NDGF-BH735.