LONGi Hi-MO 5m LR5-66HPH 495~515W Half-Cell Solar Panel

Category: Longi Solar Panels
Features

LONGi LR5-66HPH 495W-515W solar panel features advanced half-cell monocrystalline PERC technology with up to 515W power output and 21.7% module efficiency. Designed with 182mm wafer technology and 132 half-cut cells, this high-performance photovoltaic module delivers excellent energy yield, reliable durability and stable performance for commercial, industrial and utility-scale solar projects.

Product Description

LONGi LR5-66HPH 495-515W solar panel is a high-performance monocrystalline photovoltaic module from the LONGi Hi-MO 5m series. Designed with advanced 182mm silicon wafer technology and half-cell PERC architecture, this module delivers higher power output, improved energy generation capability, and enhanced reliability for modern solar PV systems.

Featuring 132 half-cut monocrystalline cells (6×22), the LR5-66HPH series reduces electrical resistance and improves current transmission efficiency compared with traditional full-cell modules. With a maximum power output of 515W and module efficiency up to 21.7%, it helps reduce installation costs while maximizing energy yield per square meter.

The module adopts LONGi's mature manufacturing technology, providing excellent low-temperature performance, stable power output under harsh environmental conditions, and long-term reliability with 25-year linear power warranty. It is suitable for commercial rooftops, industrial solar systems, and utility-scale photovoltaic projects.

Product Features

1. High Power Output up to 515W

Power range: 495W / 500W / 505W / 510W / 515W

Maximum module efficiency: 21.7%

Positive power tolerance: 0~+3%

Higher energy yield with optimized module design

2. Advanced Half-Cell Technology

Equipped with 132 half-cut monocrystalline cells

Uses advanced PERC cell technology

Lower internal resistance and reduced electrical losses

Improved performance under partial shading conditions

3. Excellent Module Efficiency

Maximum efficiency: 21.7%

Optimized 182mm wafer platform

Higher power density compared with conventional modules

4. Reliable Long-Term Performance

First-year power degradation: ≤2%

Annual degradation (year 2-25): 0.55%

25-year linear power warranty

Year 25 guaranteed output: 84.8%

5. Strong Environmental Adaptability

Operating temperature: -40℃ to +85℃

Maximum system voltage: 1500V DC

Temperature coefficient of Pmax: -0.340%/℃

6. Durable Mechanical Structure

Front static load: 5400Pa

Rear static load: 2400Pa

Hail test: 25mm hailstone at 23m/s

IP68 junction box protection

Specifications

Electrical Characteristics (STC)

Testing Condition: AM1.5, 1000W/m², 25℃

Model	LR5-66HPH-495M	LR5-66HPH-500M	LR5-66HPH-505M	LR5-66HPH-510M	LR5-66HPH-515M
Maximum Power (Pmax)	495W	500W	505W	510W	515W
Module Efficiency	20.9%	21.1%	21.3%	21.5%	21.7%
Voltage at Maximum Power (Vmp)	38.23V	38.38V	38.53V	38.68V	38.83V
Current at Maximum Power (Imp)	12.95A	13.03A	13.11A	13.19A	13.27A
Open Circuit Voltage (Voc)	45.40V	45.55V	45.70V	45.85V	46.00V
Short Circuit Current (Isc)	13.82A	13.90A	13.97A	14.05A	14.13A

Mechanical Specifications

Item	Specification
Solar Cell Type	Monocrystalline Silicon
Cell Technology	Half-Cell PERC
Cell Arrangement	132 cells (6×22)
Wafer Size	182×182mm
Module Dimension	2093×1134×35mm
Weight	25.3kg
Front Glass	3.2mm Tempered Coated Glass
Frame Material	Anodized Aluminum Alloy
Junction Box	IP68, 3 Diodes
Cable	4mm²
Connector	LONGi LR5 / EVO2

Operating Parameters

Item	Specification
Operating Temperature	-40℃ ~ +85℃
Maximum System Voltage	DC1500V
Maximum Series Fuse Rating	25A
Power Output Tolerance	0~+3%
Voc / Isc Tolerance	±3%
NOCT	45±2℃
Protection Class	Class II

Temperature Characteristics

Parameter	Value
Temperature Coefficient of Pmax	-0.340%/℃
Temperature Coefficient of Voc	-0.265%/℃
Temperature Coefficient of Isc	+0.050%/℃