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Brand range: 355W–550W
Monocrystalline
TOPCO SOLAR INC. TP108H-390MB
Max Power
390W
Efficiency
20.0%
Operating V
30.6V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 36.9V |
| Short Circuit Current (Isc) | 13.61A |
| Voltage at Pmax (Vmp) | 30.6V |
| Current at Pmax (Imp) | 12.73A |
| Temp. Coefficient of Pmax | -0.353%/°C |
| Dimensions | 1794 x 1087 x 35 mm |
| Weight | 24.4kg |
| NOCT | 43.6°C |
| PTC Rating | 370.9W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 32 TOPCO SOLAR INC. models in database
FAQ
How long is the warranty for the TOPCO SOLAR INC. TP108H-390MB?
The TP108H-390MB comes with a 25-year product warranty covering defects and degradation.
How efficient is the TOPCO SOLAR INC. TP108H-390MB?
This panel has 20.0% efficiency, which is above average for commercial solar panels.
What is the max power output of the TOPCO SOLAR INC. TP108H-390MB?
The TOPCO SOLAR INC. TP108H-390MB is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the TOPCO SOLAR INC. TP108H-390MB?
It measures 1794 x 1087 x 35 mm and weighs 24.4kg.
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📊 Brand Context
TOPCO SOLAR INC. offers 32 solar panel models from 355W to 550W.
Browse all TOPCO SOLAR INC. models →