S SOLARSPECS
Trina Solar, established in 1997, is one of the oldest and most trusted solar panel manufacturers globally, with over 130 GW of modules shipped worldwide. Designed for megawatt-scale projects, the Trina TSM-660DEG21C.20 combines 660W power output with 21.43% efficiency in a Monocrystalline form factor.
🏭View all 1385 Trina models Brand range: 160W–740W
Monocrystalline

Trina TSM-660DEG21C.20

Max Power
660W
Efficiency
21.43%
Operating V
38.1V
Warranty
30Y
Trina TSM-660DEG21C.20 logo
Technical Specifications
Open Circuit Voltage (Voc)45.9V
Short Circuit Current (Isc)18.45A
Voltage at Pmax (Vmp)38.1V
Current at Pmax (Imp)17.35A
Temp. Coefficient of Pmax-0.303%/°C
Dimensions2254 x 1366 x 35 mm
Weight38.5kg
NOCT44.6°C
PTC Rating630.6W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 1385 Trina models in database

FAQ

How efficient is the Trina TSM-660DEG21C.20?

This panel has 21.43% efficiency, which is high for commercial solar panels.

What is the max power output of the Trina TSM-660DEG21C.20?

The Trina TSM-660DEG21C.20 is rated at 660W under STC (1000 W/m², 25°C, AM 1.5).

What are the dimensions and weight of the Trina TSM-660DEG21C.20?

It measures 2254 x 1366 x 35 mm and weighs 38.5kg.

What warranty does Trina provide?

Trina offers a 30-year warranty for the TSM-660DEG21C.20, reflecting confidence in long-term durability.

Compare This Panel

Add this Trina TSM-660DEG21C.20 to compare specs side-by-side with other commercial solar panels.

📄 Download

Save this datasheet as PDF for offline reference.

Share

Advertisement
📊 Brand Context

Trina offers 1385 solar panel models from 160W to 740W.

Browse all Trina models →
0 to Compare