S SOLARSPECS
First Solar is the largest American solar panel manufacturer and the only major producer of thin-film CdTe modules. The First Solar FS-6485A-P-I (485W, 19.25%) is a Thin-Film photovoltaic module. Electrical: Voc 225.9V, Isc 2.62A, Vmp 194V, Imp 2.5A. Temp coeff -0.272%/°C.
🏭View all 218 First Solar models Brand range: 67.5W–550W
Thin-Film

First Solar FS-6485A-P-I

Max Power
485W
Efficiency
19.25%
Operating V
194V
Warranty
25Y
First Solar FS-6485A-P-I logo
Technical Specifications
Open Circuit Voltage (Voc)225.9V
Short Circuit Current (Isc)2.62A
Voltage at Pmax (Vmp)194V
Current at Pmax (Imp)2.5A
Temp. Coefficient of Pmax-0.272%/°C
Dimensions2039 x 1236 x 35 mm
Weight31.5kg
NOCT46.58°C
PTC Rating463.5W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 218 First Solar models in database

FAQ

How long is the warranty for the First Solar FS-6485A-P-I?

The FS-6485A-P-I comes with a 25-year product warranty covering defects and degradation.

How does temperature affect the First Solar FS-6485A-P-I?

With a temp coefficient of -0.272%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.

How efficient is the First Solar FS-6485A-P-I?

This panel has 19.25% efficiency, which is above average for commercial solar panels.

What is the max power output of the First Solar FS-6485A-P-I?

The First Solar FS-6485A-P-I is rated at 485W under STC (1000 W/m², 25°C, AM 1.5).

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This First Solar model ranks among the brand's most efficient panels at 19.25%.

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