JA Solar Deep Blue 4.0 Pro 620W Bifacial Solar Panel

The JA Solar Deep Blue 4.0 Pro 620W Bifacial Solar Panel is a premium n-type double glass bifacial module engineered for high-efficiency commercial and utility-scale solar installations. Built with advanced MBB half-cell technology, this 620W solar panel delivers superior energy yield, enhanced durability, and long-term reliability under demanding environmental conditions.

Key Benefits

• Advanced n-type cell technology ensures lower degradation and higher lifetime energy output.
• Double glass bifacial structure increases rear-side gain for higher total power generation.
• Up to 23.0% module efficiency maximizes power density in limited installation areas.
• Excellent temperature coefficient provides stable performance in hot climates.
• Strong mechanical load capacity supports heavy wind and snow conditions.
• 1500V DC system compatibility reduces BOS cost in large-scale projects.
• Improved low-irradiance response enhances performance during cloudy weather.
• Backed by 12-year product warranty and 30-year linear power output warranty.

TThis panel integrates effortlessly with MPPT/PWM charge controllers and works perfectly with Off-Grid inverters, On-Grid inverters, and Hybrid inverters, ensuring maximum solar energy efficiency and reliable performance.