Monocrystalline silicon photovoltaic module ST-400 Pro

PERCIEC 61215IEC 61730

Product overview
The ST-400 Pro is a commercial/industrial solar panel designed for rooftop and ground-mounted photovoltaic systems. It delivers 400 Wp with a module efficiency of 22.8% and includes a 25-year product warranty. The module features an anti-reflective coating and an integrated mounting system for fast installation.

Key specifications

• Power: 400 Wp
• Efficiency: 22.8%
• Dimensions: 1755 × 1038 × 35 mm
• Warranty: 25 years
• Cell type: Monocrystalline PERC (latest generation)
• Certifications: IEC 61215, IEC 61730

Advantages

• High-efficiency monocrystalline PERC cells to maximize energy yield
• Enhanced resistance to extreme weather conditions
• Anti-reflective coating for improved light absorption
• Broad compatibility with common inverter types
• Integrated mounting system for reduced installation time
• Certified to industry standards for reliable long-term operation

Comparison - Our models
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
• Manufacturer: Helios Renewables
• Cell technology: Monocrystalline PERC (latest generation)
• Peak power (Pmax): 400 Wp
• Module efficiency: 22.8%
• Dimensions (L × W × H): 1755 × 1038 × 35 mm
• Warranty: 25 years
• Certifications: IEC 61215, IEC 61730
• Coating: Anti-reflective
• Compatibility: Compatible with common inverter types
• Installation: Integrated mounting system for quick installation