Product overviewThe ST-400 Pro is a solar panel equipped with latest-generation monocrystalline PERC cells. It delivers 400 Wp with 22.8% efficiency and is designed for reliable long-term operation in demanding environments. The product includes a 25-year warranty.
Key specifications- Power: 400 Wp
- Efficiency: 22.8%
- Dimensions: 1755 × 1038 × 35 mm
- Warranty: 25 years
- Cells: Latest-generation monocrystalline PERC cells
Advantages- Latest-generation monocrystalline PERC cells
- Enhanced resistance to extreme weather conditions
- Anti-reflective coating for optimal absorption
- IEC 61215 and IEC 61730 certified
- Compatible with all types of inverters
- Quick installation with integrated mounting system
ComparisonModel | Power | Efficiency | Warranty | Range
ST-400 Pro | 400 Wp | 22.8% | 25 years | ★★★ (Best-seller)
ST-350 Standard | 350 Wp | 20.5% | 20 years | ★★
ST-300 Eco | 300 Wp | 18.9% | 15 years | ★
Technical specifications- Nominal power: 400 Wp
- Efficiency: 22.8%
- Cell type: Monocrystalline PERC
- Dimensions: 1755 × 1038 × 35 mm
- Product warranty: 25 years
- Certifications: IEC 61215, IEC 61730
- Compatibility: Compatible with all types of inverters
- Coating: Anti-reflective coating
- Mounting system: Integrated mounting system for quick installation
- Designed for: Enhanced resistance to extreme weather conditions
- Manufacturer: Helios Renewables (French manufacturer of solar panels)