OverviewThe ST-400 Pro is a 400 Wp monocrystalline PERC solar panel engineered for commercial and industrial PV installations, offering 22.8% peak efficiency and a 25-year product warranty.
Key featuresHigh-efficiency monocrystalline PERC cells, reinforced frame and tempered glass for improved weather resistance, anti-reflective coating to maximize energy yield, and full compliance with IEC 61215 and IEC 61730 standards. Compatible with standard inverters and designed for rapid installation with an integrated mounting system.
Highlights- Power: 400 Wp
- Efficiency: 22.8%
- Dimensions: 1755 × 1038 × 35 mm
- Warranty: 25 years
Advantages- Latest-generation monocrystalline PERC cells for high energy density
- Enhanced resistance to extreme weather and mechanical stress
- Anti-reflective coating for improved absorption
- IEC 61215 and IEC 61730 certified for long-term reliability
- Compatible with all common inverter types
- Integrated mounting system for faster installation on commercial structures
Comparison (table)Model | Power | Efficiency | Warranty | Range
ST-400 Pro | 400 Wp | 22.8% | 25 years | ★★★
ST-350 Standard | 350 Wp | 20.5% | 20 years | ★★
ST-300 Eco | 300 Wp | 18.9% | 15 years | ★
Technical specifications- Model: ST-400 Pro
- Brand: Helios Renewables
- Power output: 400 Wp
- Cell type: Latest-generation monocrystalline PERC cells
- Efficiency (peak): 22.8%
- Dimensions (L × W × H): 1755 × 1038 × 35 mm
- Warranty: 25 years
- Certifications: IEC 61215, IEC 61730
- Coating: Anti-reflective coating
- Environmental resistance: Reinforced for extreme weather conditions
- Compatibility: Compatible with all types of inverters
- Installation: Integrated mounting system for quick installation