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Brand range: 220W–730W
Monocrystalline
Talesun TM3G66M-620
Max Power
620W
Efficiency
22.96%
Operating V
41.2V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49.6V |
| Short Circuit Current (Isc) | 15.94A |
| Voltage at Pmax (Vmp) | 41.2V |
| Current at Pmax (Imp) | 15.05A |
| Temp. Coefficient of Pmax | -0.292%/°C |
| Dimensions | 2111 x 1279 x 35 mm |
| Weight | 33.7kg |
| NOCT | 44.2°C |
| PTC Rating | 594.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 280 Talesun models in database
FAQ
What are the dimensions and weight of the Talesun TM3G66M-620?
It measures 2111 x 1279 x 35 mm and weighs 33.7kg.
What is the max power output of the Talesun TM3G66M-620?
The Talesun TM3G66M-620 is rated at 620W under STC (1000 W/m², 25°C, AM 1.5).
How does temperature affect the Talesun TM3G66M-620?
With a temp coefficient of -0.292%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
What warranty does Talesun provide?
Talesun offers a 30-year warranty for the TM3G66M-620, reflecting confidence in long-term durability.
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📊 Brand Context
Talesun offers 280 solar panel models from 220W to 730W.
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