Product overviewThe ST-400 Pro is a high-performance solar panel equipped with latest-generation monocrystalline PERC cells. It delivers 400 Wp with an efficiency of 22.8% and is designed for commercial and industrial installations. The module is built to withstand extreme environmental conditions and is backed by a 25-year warranty from Helios Renewables.
Key features- Cell type: Latest-generation monocrystalline PERC cells
- Power output: 400 Wp
- Efficiency: 22.8%
- Dimensions: 1755 × 1038 × 35 mm
- Warranty: 25 years
- Anti-reflective coating for optimal absorption
- Enhanced resistance to extreme weather conditions
- IEC 61215 and IEC 61730 certified
- Compatible with all types of inverters
- Quick installation with integrated mounting system
Advantages- High-efficiency monocrystalline PERC technology
- Improved durability in harsh environments
- Anti-reflective surface to maximize energy yield
- International safety and performance certifications (IEC 61215, IEC 61730)
- Broad inverter compatibility for flexible system design
- Integrated mounting system to reduce installation time
ComparisonModel | 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 | ★
Technical specifications- Model: ST-400 Pro
- Brand: Helios Renewables
- Power (Pmax): 400 Wp
- Efficiency: 22.8%
- Cell technology: Monocrystalline PERC
- Dimensions: 1755 × 1038 × 35 mm
- Warranty: 25 years
- Certifications: IEC 61215, IEC 61730
- Compatibility: Compatible with all types of inverters
- Special features: Anti-reflective coating; enhanced resistance to extreme weather; integrated mounting system for quick installation