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Brand range: 535W–695W
Monocrystalline
SUNPLUS OPTIMUM LIMITED SR5-66NHBD-660M
Max Power
660W
Efficiency
21.22%
Operating V
38.8V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 46.8V |
| Short Circuit Current (Isc) | 17.62A |
| Voltage at Pmax (Vmp) | 38.8V |
| Current at Pmax (Imp) | 17.01A |
| Temp. Coefficient of Pmax | -0.296%/°C |
| Dimensions | 2265 x 1373 x 35 mm |
| Weight | 38.9kg |
| NOCT | 44.6°C |
| PTC Rating | 631.3W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 23 SUNPLUS OPTIMUM LIMITED models in database
FAQ
How efficient is the SUNPLUS OPTIMUM LIMITED SR5-66NHBD-660M?
This panel has 21.22% efficiency, which is high for commercial solar panels.
How does temperature affect the SUNPLUS OPTIMUM LIMITED SR5-66NHBD-660M?
With a temp coefficient of -0.296%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
What are the dimensions and weight of the SUNPLUS OPTIMUM LIMITED SR5-66NHBD-660M?
It measures 2265 x 1373 x 35 mm and weighs 38.9kg.
What is the max power output of the SUNPLUS OPTIMUM LIMITED SR5-66NHBD-660M?
The SUNPLUS OPTIMUM LIMITED SR5-66NHBD-660M is rated at 660W under STC (1000 W/m², 25°C, AM 1.5).
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At 660W, this is one of SUNPLUS OPTIMUM LIMITED's most powerful panels.
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