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-4105A-2: maximum power 105W, efficiency 14.58%, Vmp 67.8V, Voc 86V, Isc 1.74A. 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-4105A-2

Max Power
105W
Efficiency
14.58%
Operating V
67.8V
Warranty
25Y
First Solar FS-4105A-2 logo
Technical Specifications
Open Circuit Voltage (Voc)86V
Short Circuit Current (Isc)1.74A
Voltage at Pmax (Vmp)67.8V
Current at Pmax (Imp)1.55A
Temp. Coefficient of Pmax-0.312%/°C
Dimensions1200 x 600 x 35 mm
Weight9.0kg
NOCT47°C
PTC Rating99.6W
📋 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-4105A-2?

The FS-4105A-2 comes with a 25-year product warranty covering defects and degradation.

What are the dimensions and weight of the First Solar FS-4105A-2?

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

What is the max power output of the First Solar FS-4105A-2?

The First Solar FS-4105A-2 is rated at 105W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the First Solar FS-4105A-2?

This panel has 14.58% efficiency, which is standard for commercial solar panels.

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📊 Brand Context

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

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