Longi 440W Solar Panel Overview
The Longi 440W Solar Panel (Model LR4-72HBD) is a high-performance module designed to deliver exceptional efficiency and reliability for both residential and commercial solar power systems. Manufactured in Shanxi, China, this panel features advanced half-cell technology and a cell size of 182mm x 182mm, ensuring superior power output and durability. With a panel efficiency of 20.2% and a robust design, the Longi 440 Watt Solar Panel is an excellent choice for maximizing solar energy production.
Longi 440 Watt Solar Panel Key Features
- High Efficiency: With a panel efficiency of 20.2%, this solar panel ensures maximum power output from a compact design.
- Advanced Technology: Utilizes half-cell technology to reduce resistive losses and improve performance in partial shading conditions.
- Durable Design: Certified by CE, TUV, INMETRO, and ETL, this panel is built to withstand various environmental conditions, ensuring long-term reliability.
- Warranty: Comes with a 25-year warranty, providing peace of mind and long-term investment security.
- Lower Operating Temperature: Advanced module technology delivers superior module efficiency with lower operating temperatures.
Longi 440W Specifications
Electrical and Mechanical Specifications
| Parameter | Value |
|---|---|
| Cell Size | 182mm x 182mm |
| Type | Half Cell |
| Panel Efficiency | 20.2% |
| Warranty | 25 years |
| Place of Origin | Shanxi, China |
| Panel Dimensions | 2094 x 1038 x 35 mm |
| Brand Name | Longi |
| Model Number | LR4-72HBD |
| Application | Solar Power System, Home |
| Certificate | CE, TUV, INMETRO, ETL |
| Packaging Details | Carton with pallet |
| Weight | 27.5 kg |
| Power Output | 440 W |
| Maximum System Voltage | 1500 V (IEC/UL) |
| Bifaciality | 70±5% |
Packaging and Delivery
| Parameter | Value |
|---|---|
| Selling Units | Single item |
| Single Package Size | 209.4 x 103.8 x 3.5 cm |
| Single Gross Weight | 27.500 kg |
| Packaging | 30 pieces per pallet, 150 pieces per 20' GP, 660 pieces per 40' HC |
Additional Electrical Characteristics
| Power Class | Maximum Power (Pmax) | Open Circuit Voltage (Voc) | Short Circuit Current (Isc) | Voltage at Maximum Power (Vmp) | Current at Maximum Power (Imp) | Module Efficiency (%) |
|---|---|---|---|---|---|---|
| 425 W | 425 W | 48.7 V | 11.22 A | 40.4 V | 10.52 A | 19.6% |
| 430 W | 430 W | 48.9 V | 11.30 A | 40.6 V | 10.60 A | 19.8% |
| 435 W | 435 W | 49.1 V | 11.36 A | 40.8 V | 10.66 A | 20.0% |
| 440 W | 440 W | 49.2 V | 11.45 A | 41.0 V | 10.73 A | 20.2% |
| 445 W | 445 W | 49.4 V | 11.52 A | 41.2 V | 10.80 A | 20.5% |
| 450 W | 450 W | 49.6 V | 11.58 A | 41.4 V | 10.87 A | 20.7% |
| 455 W | 455 W | 49.8 V | 11.65 A | 41.6 V | 10.93 A | 20.9% |
Performance Under Environmental Conditions
| Parameter | Value |
|---|---|
| Operating Temperature Range | −40°C to +85°C |
| Temperature Coefficient (Pmax) | -0.35%/°C |
| Temperature Coefficient (Voc) | -0.28%/°C |
| Temperature Coefficient (Isc) | +0.05%/°C |
| Normal Operating Cell Temperature (NOCT) | 45±2°C |
Mechanical Characteristics
| Parameter | Value |
|---|---|
| Cell Orientation | 144 (6 x 24) |
| Junction Box | IP68, three diodes |
| Output Cable | 4mm², positive 400 mm / negative 200 mm (length can be customized) |
| Glass | Dual glass, 2.0 mm coated tempered glass |
| Frame | Anodized aluminum alloy |
| Front Side Maximum Static Loading | 5400 Pa |
| Rear Side Maximum Static Loading | 2400 Pa |
| Hailstone Test | 25 mm hailstone at the speed of 23 m/s |
Certifications
- Complete System and Product Certifications: IEC 61215, IEC 61730, UL 61730
- Quality Management System: ISO 9001:2008
- Environmental Management System: ISO 14001:2004
- Occupational Health and Safety: OHSAS 18001:2007
Warranty
- Materials and Processing Warranty: 12 years
- Linear Power Output Warranty: 30 years
The Longi 440W Solar Panel (LR4-72HBD) integrates advanced half-cell technology and robust design, making it a reliable and efficient choice for various solar energy applications. With its high module efficiency, superior durability, and comprehensive certifications, this panel ensures long-term performance and reliability, backed by substantial warranties.
Longi 440W Datasheet
Introducing the LonGi 440W Solar Panel, offering high-performance efficiency with M6 Gallium-doped Wafer technology. Suitable for large-scale projects, this module features advanced bifacial energy yield, ensuring superior reliability. Backed by a comprehensive warranty package: 12-year material and processing guarantee, and 30-year extra linear power output assurance. Compliant with international standards IEC 61215, IEC 61730, UL 61730, ISO 9001:2008, ISO 14001:2004, TS62941, and OHSAS 18001:2007.
LonGi 440W Solar Panel with a power output range of 425-455 watts, featuring high-efficiency modules with 20.9% efficiency and a 30-year power warranty, suitable for various applications.
