JA Solar Deep Blue 4.0 Pro 620W Bifacial Solar Panel – Overview
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.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Maximum Power (Pmax) | 620W |
| Open Circuit Voltage (Voc) | 48.50V |
| Maximum Power Voltage (Vmp) | 40.21V |
| Short Circuit Current (Isc) | 16.13A |
| Maximum Power Current (Imp) | 15.42A |
| Module Efficiency | 23.0% |
| Maximum System Voltage | 1500V DC |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 2382 × 1134 × 30 mm |
| Weight | 33.1 kg |
| Bifaciality | 80% ±5% |
| Cell Type | n-type Mono |
| Number of Cells | 132 (6×22) |
Download Datasheet | For manufacturer details, see the official page: JA Solar Deep Blue 4.0 Pro JAM66D45-620 LB
