Find replacement for Suntech STP645S-C78/Nsh+

645 W panel, 156 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

56.33 V

Vmpp

46.26 V

Isc

14.61 A

Impp

13.94 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

645 W

Cells

156

Bifaciality

80%

The Suntech STP645S-C78/Nsh+ is a 645 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.