Find replacement for Risen RSM156-9-640BNDG

640 W panel, 156 cells

Original Panel905

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String Compatibility Calculator

Verify the replacement panel works with your inverter

How the Algorithm Works

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Panel Matcher

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Original Panel Specs

Voc

56.6 V

Vmpp

47.31 V

Isc

14.38 A

Impp

13.54 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

640 W

Cells

156

Bifaciality

80%

The Risen RSM156-9-640BNDG 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.