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Brand range: 310W–550W
Monocrystalline
SolarJuice American Inc. S4A-US320B
Max Power
320W
Efficiency
19.39%
Operating V
33.2V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 40.8V |
| Short Circuit Current (Isc) | 10.18A |
| Voltage at Pmax (Vmp) | 33.2V |
| Current at Pmax (Imp) | 9.65A |
| Temp. Coefficient of Pmax | -0.375%/°C |
| Dimensions | 1650 x 1000 x 35 mm |
| Weight | 20.6kg |
| NOCT | 48.2°C |
| PTC Rating | 298.9W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 40 SolarJuice American Inc. models in database
FAQ
What are the dimensions and weight of the SolarJuice American Inc. S4A-US320B?
It measures 1650 x 1000 x 35 mm and weighs 20.6kg.
What is the max power output of the SolarJuice American Inc. S4A-US320B?
The SolarJuice American Inc. S4A-US320B is rated at 320W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the SolarJuice American Inc. S4A-US320B?
This panel has 19.39% efficiency, which is above average for commercial solar panels.
How long is the warranty for the SolarJuice American Inc. S4A-US320B?
The S4A-US320B comes with a 25-year product warranty covering defects and degradation.
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📊 Brand Context
SolarJuice American Inc. offers 40 solar panel models from 310W to 550W.
Browse all SolarJuice American Inc. models →