Sunpal Power Co. Ltd.
SP640M-66H
TIER 2
Monocrystalline
640
Pmax (W)
20.58%
Efficiency
—
Voc
30Y
Warranty
Technical Specifications
| Brand | Sunpal Power Co. Ltd. |
| Model | SP640M-66H |
| Max Power (Pmax) | 640W |
| Efficiency | 20.58% |
| Cell Type | Monocrystalline |
Above-Average Efficiency: At 20.58% efficiency, this module offers above-average energy conversion for its class.
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 40 Sunpal Power Co. Ltd. models in database
FAQ
What are the dimensions and weight of the Sunpal Power Co. Ltd. SP640M-66H?
Dimensions vary by configuration.
What is the max power output of the Sunpal Power Co. Ltd. SP640M-66H?
The Sunpal Power Co. Ltd. SP640M-66H is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Sunpal Power Co. Ltd. SP640M-66H?
This panel has 20.58% efficiency, which is above average efficiency for commercial solar panels.
How long is the warranty for the Sunpal Power Co. Ltd. SP640M-66H?
The SP640M-66H comes with a 30-year product warranty covering defects and degradation.