🏭View all 23 SUNPLUS OPTIMUM LIMITED models→
Brand range: 535W–695W
Monocrystalline
SUNPLUS OPTIMUM LIMITED SR5-66HBD-640M
Max Power
640W
Efficiency
21.12%
Operating V
37.3V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 45.1V |
| Short Circuit Current (Isc) | 18.22A |
| Voltage at Pmax (Vmp) | 37.3V |
| Current at Pmax (Imp) | 17.17A |
| Temp. Coefficient of Pmax | -0.386%/°C |
| Dimensions | 2236 x 1355 x 35 mm |
| Weight | 37.9kg |
| NOCT | 44.8°C |
| PTC Rating | 603.3W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 23 SUNPLUS OPTIMUM LIMITED models in database
FAQ
What warranty does SUNPLUS OPTIMUM LIMITED provide?
SUNPLUS OPTIMUM LIMITED offers a 30-year warranty for the SR5-66HBD-640M, reflecting confidence in long-term durability.
What are the dimensions and weight of the SUNPLUS OPTIMUM LIMITED SR5-66HBD-640M?
It measures 2236 x 1355 x 35 mm and weighs 37.9kg.
What is the max power output of the SUNPLUS OPTIMUM LIMITED SR5-66HBD-640M?
The SUNPLUS OPTIMUM LIMITED SR5-66HBD-640M is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the SUNPLUS OPTIMUM LIMITED SR5-66HBD-640M?
This panel has 21.12% efficiency, which is high for commercial solar panels.
Compare This Panel
Add this SUNPLUS OPTIMUM LIMITED SR5-66HBD-640M to compare specs side-by-side with other commercial solar panels.
📄 Download
Save this datasheet as PDF for offline reference.
Share
Advertisement
📊 Brand Context
SUNPLUS OPTIMUM LIMITED offers 23 solar panel models from 535W to 695W.
Browse all SUNPLUS OPTIMUM LIMITED models →