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Technical specifications for the First Solar FS-4115-3: maximum power 115W, efficiency 15.97%, Vmp 69.3V, Voc 87.6V, Isc 1.83A. 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-4115-3

Max Power
115W
Efficiency
15.97%
Operating V
69.3V
Warranty
25Y
First Solar FS-4115-3 logo
Technical Specifications
Open Circuit Voltage (Voc)87.6V
Short Circuit Current (Isc)1.83A
Voltage at Pmax (Vmp)69.3V
Current at Pmax (Imp)1.66A
Temp. Coefficient of Pmax-0.311%/°C
Dimensions1200 x 600 x 35 mm
Weight9.0kg
NOCT45.77°C
PTC Rating109.4W
📋 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-4115-3?

It measures 1200 x 600 x 35 mm and weighs 9.0kg.

What is the max power output of the First Solar FS-4115-3?

The First Solar FS-4115-3 is rated at 115W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the First Solar FS-4115-3?

This panel has 15.97% efficiency, which is standard for commercial solar panels.

How long is the warranty for the First Solar FS-4115-3?

The FS-4115-3 comes with a 25-year product warranty covering defects and degradation.

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

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