Find replacement for Risen RSM40-8-405M

405 W panel, 120 cells

Original Panel905

Select the panel you want to replace

String Compatibility Calculator

Verify the replacement panel works with your inverter

Panel Matcher

Find all compatible panels for a specific inverter

Panel Replacement Guide

Learn how to safely replace panels in an existing string

Original Panel Specs

Voc

41.6 V

Vmpp

34.64 V

Isc

12.4 A

Impp

11.7 A

TcVoc

-0.25 %/°C

TcPmax

-0.34 %/°C

Pmax

405 W

Cells

120

The Risen RSM40-8-405M is a 405 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.