LonGi 340W Solar Panel Overview
The LonGi 340W Solar Panel (LR6-72HV) is a high-efficiency monocrystalline module featuring a powerful 5BB (5 Bus Bar) design. With a maximum power output of 340W, module efficiency of 17.5%, and dimensions of 1956 mm x 991 mm x 40 mm, this panel ensures optimal energy yield. It also supports a maximum system voltage of 1500V DC, making it ideal for both residential and commercial installations. Weighing just 22.5 kg, the panel is easy to handle while maintaining durability, withstanding up to 5400 Pa of snow load and 2400 Pa of wind load. Its low temperature coefficient of -0.41%/°C ensures minimal energy loss even in high temperatures, providing long-term reliability.
LonGi 340W Solar Panel Key Features:
- High Conversion Efficiency: Achieves module efficiency up to 18.1%, ensuring maximum energy production.
- Positive Power Tolerance: 0~+5W power tolerance guarantees better output.
- Low Power Degradation: The panel has an annual degradation rate of just 0.55%, ensuring up to 84.95% efficiency after 25 years.
- Durability: Withstands up to 5400 Pa snow load and 2400 Pa wind load, offering excellent resistance in harsh weather conditions.
- PID Resistant: Features anti-PID (Potential Induced Degradation) technology, making it ideal for installations in hot and humid environments.
- Adaptable to Harsh Environments: Passed rigorous salt mist and ammonia tests, suitable for coastal and agricultural installations.
- Robust Design: The 40mm aluminum alloy frame provides high structural strength, ensuring long-lasting performance.
LonGi 340W Solar Panel Specifications:
| Parameter | Specification |
|---|---|
| Maximum Power (Pmax) | 340W STC / 245.8W NOCT |
| Module Efficiency | 17.5% |
| Maximum Power Voltage (Vmp) | 37.9 V STC / 34.2 V NOCT |
| Maximum Power Current (Imp) | 8.97 A STC / 7.18 A NOCT |
| Open-Circuit Voltage (Voc) | 46.5 V STC / 42.8 V NOCT |
| Short-Circuit Current (Isc) | 9.40 A STC / 7.65 A NOCT |
| Dimensions (L x W x H) | 1956 mm x 991 mm x 40 mm |
| Weight | 22.5 kg |
| Cable Length | 1000 mm (4 mm²) |
| Junction Box Rating | IP68, 3 Diodes |
| Maximum System Voltage | 1500V DC (IEC) |
| Front Load | 5400 Pa |
| Rear Load | 2400 Pa |
| Fire Rating | UL Type 1 or Type 2 |
| Temperature Coefficient (Pmax) | -0.410%/°C |
| Operating Temperature | -40°C ~ 85°C |
| Power Output Tolerance | 0 ~ +5W |
| Certifications | IEC 61215, IEC 61730, JET, CQC, CE, TUV |
Electrical Characteristics (STC & NOCT)
| Model | Pmax (W) | Voc (V) | Isc (A) | Vmp (V) | Imp (A) | Module Efficiency |
|---|---|---|---|---|---|---|
| LR6-72HV-330M | 330W / 238.6W | 46.1V / 42.4V | 9.30A / 7.50A | 37.6V / 34.0V | 8.78A / 7.02A | 17.0% |
| LR6-72HV-335M | 335W / 242.2W | 46.3V / 42.6V | 9.40A / 7.58A | 37.7V / 34.1V | 8.89A / 7.11A | 17.3% |
| LR6-72HV-340M | 340W / 245.8W | 46.5V / 42.8V | 9.40A / 7.65A | 37.9V / 34.2V | 8.97A / 7.18A | 17.5% |
| LR6-72HV-345M | 345W / 249.4W | 46.7V / 43.0V | 9.58A / 7.72A | 38.1V / 34.5V | 9.05A / 7.24A | 17.8% |
| LR6-72HV-350M | 350W / 253.0W | 46.9V / 43.1V | 9.68A / 7.80A | 38.4V / 34.6V | 9.12A / 7.32A | 18.1% |
Temperature Coefficients & Mechanical Loading
| Parameter | Value |
|---|---|
| Temperature Coefficient (Isc) | +0.059%/°C |
| Temperature Coefficient (Voc) | -0.330%/°C |
| Temperature Coefficient (Pmax) | -0.410%/°C |
| Front Load | 5400 Pa |
| Rear Load | 2400 Pa |
| Hailstone Test | 25mm hailstone at 23m/s |
Packing Information
- Packing Type: 26 panels per pallet
I-V Curve and Temperature Performance
The LonGi 340W Solar Panel performs reliably under a wide range of temperature and irradiance conditions. Its 5BB design improves energy output and reduces resistive losses, ensuring higher energy yield and optimal performance even in challenging environments.
LonGi 340W Solar Panel Summary
The LonGi 340W Solar Panel (LR6-72HV) offers high-efficiency monocrystalline technology with a robust 5BB cell structure, providing excellent energy output in various environmental conditions. With a 25-year linear power output warranty, strong PID resistance, and a durable 40mm frame, it is designed for long-term reliability. This panel is well-suited for both residential and large-scale commercial applications.
Certifications & Warranty
- Certifications: UL 1703, IEC 61215, IEC 61730, JET, CQC, CE, TUV
- Warranty: 10-year materials and workmanship warranty, 25-year linear power output warranty (84.95% efficiency at 25 years)
LonGi 340W Datasheet
LONGi 340W Solar Panel (LR6-72HV, 330-350 Watt) product features high reliability, production efficiency, and high power output. The mono-crystalline silicon modules have a maximum power output of up to 350W. They perform well even in low temperature or low light environments. We guarantee high-efficiency products with a 10-year warranty for materials and processing, and a 25-year warranty for extra linear power output.
The LonGi 340W Solar Panel (LR6-72HV, 330-350 Watt) features a high-efficiency design with 72 cells arranged in a 6x12 configuration. The operating temperature range is -40°C to +85°C, and the junction box meets IP68 standards. The power tolerance is ±3%. The output cable is 4mm² and 1000mm long. Maximum system voltage is DC up to 1500V (IEC). The connector type is MC4 or compatible with MC4.
