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Brand range: 270W–630W
Monocrystalline
Sonali SS-520-144M-B
Max Power
520W
Efficiency
20.23%
Operating V
41.1V
Warranty
30Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49V |
| Short Circuit Current (Isc) | 13.45A |
| Voltage at Pmax (Vmp) | 41.1V |
| Current at Pmax (Imp) | 12.64A |
| Temp. Coefficient of Pmax | -0.368%/°C |
| Dimensions | 2059 x 1248 x 35 mm |
| Weight | 32.1kg |
| NOCT | 43.5°C |
| PTC Rating | 493.6W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 276 Sonali models in database
FAQ
What is the max power output of the Sonali SS-520-144M-B?
The Sonali SS-520-144M-B is rated at 520W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the Sonali SS-520-144M-B?
It measures 2059 x 1248 x 35 mm and weighs 32.1kg.
What warranty does Sonali provide?
Sonali offers a 30-year warranty for the SS-520-144M-B, reflecting confidence in long-term durability.
How efficient is the Sonali SS-520-144M-B?
This panel has 20.23% efficiency, which is above average for commercial solar panels.
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