OverviewThe ST-400 Pro is a high-performance commercial solar panel fitted with latest-generation monocrystalline PERC cells. It delivers 400 Wp output and a peak efficiency of 22.8%, designed for industrial and large-scale installations where performance and long-term durability are required. Certified to international standards and backed by a 25-year warranty, it is suitable for harsh environmental conditions and compatible with common inverter types.
Key features- Latest-generation monocrystalline PERC cells
- High efficiency: 22.8%
- Rated power: 400 Wp
- Enhanced resistance to extreme weather conditions
- Anti-reflective coating for improved absorption
- IEC 61215 and IEC 61730 certified
- Compatible with all common inverter types
- Integrated mounting system for faster installation
Dimensions1755 × 1038 × 35 mm
Warranty25 years
Comparison tableModel | Power | Efficiency | Warranty | Range
ST-400 Pro (Best-seller) | 400 Wp | 22.8% | 25 years | ★★★
ST-350 Standard | 350 Wp | 20.5% | 20 years | ★★
ST-300 Eco | 300 Wp | 18.9% | 15 years | ★
Specifications- Model: ST-400 Pro
- Power: 400 Wp
- Efficiency: 22.8%
- Cell type: Monocrystalline PERC cells (latest generation)
- Dimensions: 1755 × 1038 × 35 mm
- Warranty: 25 years
- Certifications: IEC 61215, IEC 61730
- Compatibility: Compatible with all common inverter types
- Special features: Anti-reflective coating; integrated mounting system for quick installation; enhanced weather resistance