Product Overview
The LONGI LR5-54HTH series solar panels are designed for the distribution market, embodying modern style with simple design. They offer the highest efficiency and best power generation performance, backed by a superior product warranty and services.
- 25-year warranty for materials and workmanship.
- 25-year linear power output warranty.
- Comprehensive system and product certifications.
Certifications
- IEC 61215, IEC 61730, UL 61730
- ISO 9001:2015: Quality Management System
- ISO 14001:2015: Environmental Management System
- ISO 45001:2018: Occupational Health and Safety
- IEC 62941: Guideline for design qualification and type approval of modules
Key Performance Indicators
Module Efficiency: Up to 23.0%
Power Tolerance: +/- 1.5%
Degradation:
- First year degradation: < 1.5%
- Annual degradation (2025): 0.40%
25-Year Power Warranty Chart
This chart illustrates the power output guarantee over 25 years. Starting at 100%, the guaranteed output decreases gradually. For example, after 10 years, the guaranteed output is 91.2% (with a +3.70% allowance), after 15 years it's 87.7% (+5.20% allowance), and after 25 years it's 80.7% (+6.40% allowance), with a final guaranteed output of 88.90% at year 25.
88.90%
Mechanical Parameters
| Parameter | Value |
|---|---|
| Cell Orientation | 108 (6x18) |
| Junction Box | IP68, Three Diodes |
| Output Cable | 4mm², 1200mm length (customizable) |
| Frame | Anodized aluminum alloy frame with 3.2mm tempered glass |
| Weight | 20.8 kg |
| Dimensions | 1722 x 1134 x 30 mm |
| Packaging | 36 pcs/pallet / 216 pcs/20' GP / 936 pcs/40' HC |
| Tolerances (Length/Width) | ±2mm |
Electrical Characteristics (STC: 1000W/m², 25°C, AM1.5)
| Model | Test Condition | Max Power (Pmax/W) | Open Circuit Voltage (Voc/V) | Short Circuit Current (Isc/A) | Voltage at Max Power (Vmp/V) | Current at Max Power (Imp/A) | Module Efficiency (%) |
|---|---|---|---|---|---|---|---|
| LR5-54HTH-440M | STC | 440 | 39.53 | 14.30 | 33.24 | 13.24 | 22.5 |
| LR5-54HTH-440M | NOCT | 329 | 37.11 | 11.55 | 30.33 | 10.85 | |
| LR5-54HTH-445M | STC | 445 | 39.73 | 14.37 | 33.44 | 13.31 | 22.8 |
| LR5-54HTH-445M | NOCT | 332 | 37.30 | 11.61 | 30.51 | 10.90 | |
| LR5-54HTH-450M | STC | 450 | 39.93 | 14.45 | 33.64 | 13.38 | 23.0 |
| LR5-54HTH-450M | NOCT | 336 | 37.49 | 11.67 | 30.70 | 10.95 |
Test uncertainty for Pmax: ±3%
Operating Parameters
| Parameter | Value |
|---|---|
| Operating Temperature | -40°C to +85°C |
| Output Power Tolerance | 0% to +3% |
| Voc and Isc Tolerance | ±3% |
| Maximum System Voltage | DC1500V (IEC/UL) |
| Maximum Series Fuse Rating | 25A |
| Nominal Operating Cell Temperature (NOCT) | 45±2°C |
| Protection Class | Class II |
| Fire Classification | UL Type 1 or 2, IEC Class C |
Mechanical Load
| Parameter | Value |
|---|---|
| Max Static Load (Front) | 5400 Pa |
| Max Static Load (Rear) | 2400 Pa |
| Hail Test | 25mm hail at a speed of 23 m/s |
Temperature Coefficients (STC)
| Parameter | Coefficient |
|---|---|
| Temperature Coefficient of Isc | +0.050%/°C |
| Temperature Coefficient of Voc | -0.230%/°C |
| Temperature Coefficient of Pmax | -0.290%/°C |
