S SOLARSPECS
Sonali's SS-420-108M-B leverages Monocrystalline technology to achieve 21.65% module efficiency and 420W maximum power. Key specs: Voc=37.8V, Isc=13.92A, Vmp=32V, Imp=13.1A. Warranty: 25 years.
🏭View all 276 Sonali models Brand range: 270W–630W
Monocrystalline

Sonali SS-420-108M-B

Max Power
420W
Efficiency
21.65%
Operating V
32V
Warranty
25Y
Sonali SS-420-108M-B logo
Technical Specifications
Open Circuit Voltage (Voc)37.8V
Short Circuit Current (Isc)13.92A
Voltage at Pmax (Vmp)32V
Current at Pmax (Imp)13.1A
Temp. Coefficient of Pmax-0.368%/°C
Dimensions1789 x 1084 x 35 mm
Weight24.2kg
NOCT43.5°C
PTC Rating398.7W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 276 Sonali models in database

FAQ

How long is the warranty for the Sonali SS-420-108M-B?

The SS-420-108M-B comes with a 25-year product warranty covering defects and degradation.

How efficient is the Sonali SS-420-108M-B?

This panel has 21.65% efficiency, which is high for commercial solar panels.

What is the max power output of the Sonali SS-420-108M-B?

The Sonali SS-420-108M-B is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).

What are the dimensions and weight of the Sonali SS-420-108M-B?

It measures 1789 x 1084 x 35 mm and weighs 24.2kg.

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Sonali offers 276 solar panel models from 270W to 630W.

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