S SOLARSPECS
First Solar is the largest American solar panel manufacturer and the only major producer of thin-film CdTe modules. Technical specifications for the First Solar FS-6470A-P-I: maximum power 470W, efficiency 18.65%, Vmp 191.1V, Voc 224.3V, Isc 2.61A. This Thin-Film module carries a 25-year warranty.
🏭View all 218 First Solar models Brand range: 67.5W–550W
Thin-Film

First Solar FS-6470A-P-I

Max Power
470W
Efficiency
18.65%
Operating V
191.1V
Warranty
25Y
First Solar FS-6470A-P-I logo
Technical Specifications
Open Circuit Voltage (Voc)224.3V
Short Circuit Current (Isc)2.61A
Voltage at Pmax (Vmp)191.1V
Current at Pmax (Imp)2.46A
Temp. Coefficient of Pmax-0.272%/°C
Dimensions2039 x 1236 x 35 mm
Weight31.5kg
NOCT46.58°C
PTC Rating449.2W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 218 First Solar models in database

FAQ

What are the dimensions and weight of the First Solar FS-6470A-P-I?

It measures 2039 x 1236 x 35 mm and weighs 31.5kg.

How does temperature affect the First Solar FS-6470A-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-6470A-P-I?

This panel has 18.65% efficiency, which is standard for commercial solar panels.

What is the max power output of the First Solar FS-6470A-P-I?

The First Solar FS-6470A-P-I is rated at 470W under STC (1000 W/m², 25°C, AM 1.5).

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First Solar offers 218 solar panel models from 67.5W to 550W.

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