LONGi LR4-72HBD-445M 445W Bifacial Half-Cut Mono Solar Panel – Overview
The LONGi LR4-72HBD-445M is a bifacial mono half-cut solar panel designed for high-power applications in ground-mounted power plants and commercial projects. With bifacial gain, dual-glass construction, and 21.0% efficiency, it delivers outstanding performance, durability, and long-term reliability even in demanding environments.
Key Benefits
- 445W rated power output with bifacial gain up to 25%.
- Half-cut mono PERC cells enhance efficiency and reduce resistive losses.
- Durable dual-glass construction with tempered heat-strengthened glass.
- 21.0% module efficiency with lower power degradation.
- Strong mechanical load capacity: 5400Pa front and 2400Pa rear.
- Certified for IEC, UL, and TÜV safety standards.
- Excellent performance under low-light and high-temperature conditions.
- 30-year linear power warranty and 12-year product warranty.
This 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 |
|---|---|
| Model | LR4-72HBD-445M |
| Rated Maximum Power (Pmax) | 445W |
| Module Efficiency | 21.0% |
| Open Circuit Voltage (Voc) | 49.4V |
| Short Circuit Current (Isc) | 11.72A |
| Voltage at Maximum Power (Vmp) | 41.2V |
| Current at Maximum Power (Imp) | 10.80A |
| Dimensions | 2094 × 1038 × 35 mm |
| Weight | 27.5 kg |
| Operating Temperature | -40°C ~ +85°C |
| Maximum System Voltage | 1500V DC |
| Maximum Series Fuse Rating | 25A |
| Mechanical Load Capacity | 5400 Pa (front) / 2400 Pa (rear) |
| Bifaciality | 70 ± 5% |
Download Datasheet | For manufacturer details, see the official page: LONGi LR4-72HBD-445M
