G-Star Pte Ltd
GSD8R66T-640BT
TIER 2
Monocrystalline
640
Pmax (W)
23.88%
Efficiency
—
Voc
30Y
Warranty
Technical Specifications
| Brand | G-Star Pte Ltd |
| Model | GSD8R66T-640BT |
| Max Power (Pmax) | 640W |
| Efficiency | 23.88% |
| Cell Type | Monocrystalline |
Exceptional Efficiency: At 23.88% efficiency, this module sets a high bar for energy conversion — among the best available.
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 224 G-Star Pte Ltd models in database
FAQ
What are the dimensions and weight of the G-Star Pte Ltd GSD8R66T-640BT?
Dimensions vary by configuration.
What is the max power output of the G-Star Pte Ltd GSD8R66T-640BT?
The G-Star Pte Ltd GSD8R66T-640BT is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the G-Star Pte Ltd GSD8R66T-640BT?
This panel has 23.88% efficiency, which is exceptionally good efficiency for commercial solar panels.
How long is the warranty for the G-Star Pte Ltd GSD8R66T-640BT?
The GSD8R66T-640BT comes with a 30-year product warranty covering defects and degradation.