LonGi 350W Solar Panel Overview
The LonGi 350W Solar Panel (LR4-60HPB) is a high-efficiency monocrystalline PERC solar panel that incorporates advanced Half-Cut technology. This series delivers excellent performance with a module efficiency of up to 20.3%, making it ideal for residential, commercial, and industrial applications. The low LID (Light Induced Degradation) technology ensures slower power degradation over time, maintaining better performance for longer periods. With a robust anodized aluminum alloy frame and 3.2 mm coated tempered glass, it can withstand harsh weather conditions, including high snow and wind loads, ensuring durability and long-term reliability.
LonGi 350W Solar Panel Key Features:
- High Module Efficiency: Achieves up to 20.3% efficiency, ensuring higher energy yields.
- Positive Power Tolerance: 0~+5W positive power tolerance guarantees consistent performance.
- Low Power Degradation: Slower power degradation enabled by Low LID Mono PERC technology, with only 0.55% annual degradation from year 2 to 25.
- Durability: The panel can withstand 5400 Pa snow load and 2400 Pa wind load, making it highly durable in extreme environments.
- PID Resistance: Solid PID resistance ensured by optimized cell processing and careful module BOM selection.
- Excellent Low Light Performance: Maintains high energy output under low light conditions such as dawn, dusk, or cloudy days.
LonGi 350W Solar Panel Specifications:
| Parameter | Specification |
|---|---|
| Maximum Power (Pmax) | 350W STC / 261.4W NOCT |
| Module Efficiency | 19.2% |
| Maximum Power Voltage (Vmp) | 34.4 V STC / 32.0 V NOCT |
| Maximum Power Current (Imp) | 10.18 A STC / 8.16 A NOCT |
| Open-Circuit Voltage (Voc) | 40.4 V STC / 37.9 V NOCT |
| Short-Circuit Current (Isc) | 11.16 A STC / 9.09 A NOCT |
| Dimensions (L x W x H) | 1755 mm x 1038 mm x 35 mm |
| Weight | 19.5 kg |
| Cable Length | 1200 mm (4 mm²) |
| Junction Box Rating | IP68, 3 Diodes |
| Maximum System Voltage | 1000V DC (IEC/UL) |
| Front Load | 5400 Pa |
| Rear Load | 2400 Pa |
| Fire Rating | UL Type 1 or Type 2 |
| Temperature Coefficient (Pmax) | -0.35%/°C |
| Operating Temperature | -40°C ~ 85°C |
| Power Output Tolerance | 0 ~ +5W |
| Certifications | IEC 61215, IEC 61730, UL 1703, CE, TUV |
Electrical Characteristics (STC & NOCT)
| Model | Pmax (W) | Voc (V) | Isc (A) | Vmp (V) | Imp (A) | Module Efficiency |
|---|---|---|---|---|---|---|
| LR4-60HPB-345M | 345W / 257.6W | 40.2V / 37.7V | 11.06A / 8.95A | 34.2V / 31.8V | 10.09A / 8.09A | 18.9% |
| LR4-60HPB-350M | 350W / 261.4W | 40.4V / 37.9V | 11.16A / 9.02A | 34.4V / 32.0V | 10.18A / 8.16A | 19.2% |
| LR4-60HPB-355M | 355W / 265.1W | 40.6V / 38.1V | 11.25A / 9.09A | 34.6V / 32.4V | 10.27A / 8.23A | 19.5% |
| LR4-60HPB-360M | 360W / 268.8W | 40.8V / 38.2V | 11.33A / 9.16A | 34.8V / 32.4V | 10.35A / 8.30A | 19.8% |
| LR4-60HPB-370M | 370W / 276.3W | 41.2V / 38.6V | 11.50A / 9.30A | 35.2V / 32.8V | 10.52A / 8.43A | 20.3% |
Temperature Coefficients & Mechanical Loading
| Parameter | Value |
|---|---|
| Temperature Coefficient (Isc) | +0.048%/°C |
| Temperature Coefficient (Voc) | -0.270%/°C |
| Temperature Coefficient (Pmax) | -0.350%/°C |
| Front Load | 5400 Pa |
| Rear Load | 2400 Pa |
| Hailstone Test | 25mm hailstone at 23m/s |
Packing Information
- Packing Type: 30 panels per pallet
- Pallet Capacity: 180 panels per 20'GP container, 780 panels per 40'HC container
I-V Curve and Temperature Performance
The LonGi 350W Solar Panel demonstrates excellent performance across varying temperatures and irradiance levels. Its optimized electrical design reduces resistive losses and improves energy yield, making it suitable for large-scale installations.
LonGi 350W Solar Panel Summary
The LonGi 350W Solar Panel (LR4-60HPB) is a high-performance monocrystalline module that incorporates Half-Cut technology to deliver superior energy yields even in challenging environments. With a 25-year linear power output warranty, strong resistance to potential induced degradation (PID), and the ability to withstand high snow and wind loads, it is a reliable solution for both residential and commercial installations.
Certifications & Warranty
- Certifications: UL 1703, IEC 61215, IEC 61730, TUV, CE
- Warranty: 12-year materials and workmanship warranty, 25-year linear power output warranty (91.2% efficiency at 25 years)
LonGi 350W Datasheet
LonGi 350W Solar Panel (LR4-60HBP, 345-370 Watt) High-Efficiency Low-LID Mono PERC with Half-Cut Technology. This solar panel offers a high module conversion efficiency of up to 20.3%. It also features slower power degradation enabled by its Low-LID Mono PERC technology and a positive power tolerance guaranteed by IEC 61215, IEC 61730, and UL 61730. The product comes with a 12-year warranty for materials and processing and a 25-year warranty for extra linear power output.
LonGi 350W Solar Panel (LR4-60HBP, 345-370 Watt) Mechanical Parameters: Operating Temperature: -40°C to +85°C Junction Box: IPG8 Power Output Tolerance: 0% to +5 W Output Cable: 4mm x 120mm Electrical Characteristics: Test Uncertainty for Pmax: +3% Model Number: LR4-60HBP-345M, LR4-60HBP-350M, ... Maximum Power (Pmax): 345-370 W Open Circuit Voltage (Voc): 40.2 V Short Circuit Current (Isc): 11.06 A ...
