Find replacement for Trina Solar TSM-NEG21C.20-740

740 W panel, 132 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

Find all compatible panels for a specific inverter

Original Panel Specs

Voc

50.3 V

Vmpp

42.1 V

Isc

18.66 A

Impp

17.58 A

TcVoc

-0.24 %/°C

TcPmax

-0.29 %/°C

Pmax

740 W

Cells

132

Bifaciality

80%

The Trina Solar TSM-NEG21C.20-740 is a 740 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.