The LONGi Horizon 225W solar panel is a compact and efficient mono-crystalline module designed for off-grid and small solar systems. Built with advanced HPBC technology, it offers stable power output, strong durability, and excellent low-light performance, making it ideal for home backup and small solar installations.
Specification
| Specification | Details |
|---|---|
| Brand | LONGi Solar |
| Model | Hi-MO Horizon 225W (LR5-28HTH-225M) |
| Power Output | 225W |
| Cell Type | Mono-crystalline Silicon |
| Technology | HPBC / Half-cut Cells |
| Efficiency | ~21%+ |
| Voltage (Vmp) | ~17–18V |
| Current (Imp) | ~12–13A |
| Open Circuit Voltage (Voc) | ~20–22V |
| Short Circuit Current (Isc) | ~13–14A |
| Dimensions | ~1354 × 767 × 30 mm |
| Weight | ~12 kg |
| Glass | 3.2 mm Tempered Anti-Reflection Glass |
| Frame | Anodized Aluminum Alloy |
| Junction Box | IP68 Rated |
| Operating Temperature | -40°C to +85°C |
| Mechanical Load | 5400 Pa (front) / 2400 Pa (rear) |
| Warranty | 5–12 Years Product / 25–30 Years Performance (varies by batch) |
Key Features
- 225W Compact Solar Panel
- High Efficiency HPBC Technology
- Excellent Low-Light Performance
- Lightweight & Easy Installation
- Strong Wind & Snow Load Resistance
- IP68 Waterproof Junction Box
- Durable Aluminum Frame Design
- Ideal for Off-Grid Solar Systems
- Stable Long-Term Energy Output
- Suitable for Small Solar Setups & Backup Systems


