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Brand range: 270W–630W
Monocrystalline
Sonali SS-390-54IIMJ
Max Power
390W
Efficiency
20.0%
Operating V
30.3V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 36.3V |
| Short Circuit Current (Isc) | 13.65A |
| Voltage at Pmax (Vmp) | 30.3V |
| Current at Pmax (Imp) | 12.88A |
| Temp. Coefficient of Pmax | -0.343%/°C |
| Dimensions | 1794 x 1087 x 35 mm |
| Weight | 24.4kg |
| NOCT | 43.2°C |
| PTC Rating | 371.9W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 276 Sonali models in database
FAQ
How long is the warranty for the Sonali SS-390-54IIMJ?
The SS-390-54IIMJ comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the Sonali SS-390-54IIMJ?
It measures 1794 x 1087 x 35 mm and weighs 24.4kg.
What is the max power output of the Sonali SS-390-54IIMJ?
The Sonali SS-390-54IIMJ is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Sonali SS-390-54IIMJ?
This panel has 20.0% efficiency, which is above average for commercial solar panels.
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