
LONGi Solar • longi solar hi mo x6 explorer lr5-66hth 520-540m
LR5-66HTH-525M525W
Key Features
- Suitable for Distribution Market
- Simple design embodies modern style
- Better energy generation performance
- High-quality module guarantees long-term reliability
- IEC 61215, IEC 61730, UL 61730
- ISO9001:2015: ISO Quality Management System
- ISO14001: 2015: ISO Environment Management System
- ISO45001: 2018: Occupational Health and Safety
- IEC62941: Guideline for module design qualification and type approval
- Complete System and Product Certifications
LONGi Solar LR5-66HTH-525M Panels: What Your System Looks Like
Based on a standard 10kW residential installation
Electrical Data (STC)
Mechanical Data
Temperature Ratings
Similar Products
Will These Panels Fit Your Roof?
Don’t guess your solar potential. Our Roof Layout Designer uses the exact dimensions of the LONGi Solar LR5-66HTH-525M (525W modules) to map out your system. Visually plan your array to see exactly how many modules your roof can support based on its specific footprint.
Ideal Use Case
The LONGi Solar LR5-66HTH-525M is designed for specific solar energy applications. This panel is an excellent choice if you:
Don’t guess your solar setup — calculate it first!
Take our Solar Quiz to get a personalized recommendation for panels, inverter, battery capacity, and system size — before you spend money on the wrong setup.
Product FAQ
How many LONGi Solar LR5-66HTH-525M panels do I need for my home?
The number of panels depends on your energy consumption and roof area. At 525W per panel, a typical 10kW residential system requires about 20 modules. Use our Solar Roof Calculator to get a precise layout based on your actual roof dimensions.
What is the efficiency of LONGi Solar LR5-66HTH-525M?
This panel has an efficiency of 22.1%, using TOPCon, N-type cell technology. Higher efficiency means more electricity per square meter, which is especially valuable when roof space is limited.
What are the dimensions of the LONGi Solar LR5-66HTH-525M?
The module dimensions are 2094mm × 1134mm × 35mm. Always account for these measurements plus fire setbacks and mounting clearances when planning your solar layout.
Is LONGi Solar LR5-66HTH-525M compatible with standard inverters?
Yes, these panels work with most string and hybrid inverters. However, you must check the Voc (Open Circuit Voltage) and Imp (Current at Max Power) against your inverter's MPPT specs.
What warranty does the LONGi Solar LR5-66HTH-525M come with?
This panel includes a 15-year product warranty from LONGi Solar. Solar panels typically degrade about 0.4–0.5% per year, meaning this module should retain over 87% of its original output after 30 years.

