At the prestigious SNEC 2025 trade show, Longi, one of the world’s leading photovoltaic (PV) manufacturers, unveiled its latest technological marvel: a 700 W solar module featuring an industry-leading 25.9% power conversion efficiency. This next-generation module is a testament to Longi’s innovation in high-performance solar solutions and sets a new benchmark for utility-scale solar installations and commercial projects worldwide.

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🔍 Technical Highlights of Longi’s New Module

Specification	Longi 700 W Module
Power Output	700 W
Efficiency	25.9%
Power Density	259 W/m²
Dimensions	2,382 mm x 1,134 mm
Temperature Coefficient	-0.24%/°C
Cell Technology	Hybrid Interdigitated Back Contact (HIBC)
Manufacturing Approach	Low- and high-temperature passivation on the front side
Moisture Barrier	Advanced cross-linked polymer matrix
Cell Structure	One-line welding for enhanced cracking resistance
Innovation Focus	Enhanced optical management and carrier transport efficiency

This module integrates Longi’s record-setting HIBC solar cell, which reached 27.81% efficiency in April 2025, further reinforcing its leadership in crystalline silicon technology.

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🔬 Comparison With Key Competitors (2025)

Feature	Longi 700 W	JinkoSolar	Canadian Solar	Trina Solar
Power Output	700 W	690 W	685 W	670 W
Efficiency	25.9%	25.0%	24.5%	25.2%
Power Density	259 W/m²	252 W/m²	249 W/m²	255 W/m²
Temperature Coefficient	-0.24%/°C	-0.30%/°C	-0.34%/°C	-0.28%/°C
Module Size (mm)	2,382 x 1,134	2,280 x 1,125	2,367 x 1,131	2,365 x 1,140
Cell Technology	HIBC	PERC	PERC	Bifacial PERC
Moisture Barrier	Advanced Polymer	Standard Coating	Standard Coating	Enhanced Management
Weight	~30 kg	~32 kg	~31 kg	~29 kg

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📈 Key Insights & Strategic Positioning

🥇 Performance Leadership

With a 700 W output and highest recorded efficiency (25.9%), Longi’s module surpasses its rivals in delivering both peak power and energy yield per surface area.

🌡️ Superior Temperature Tolerance

The -0.24%/°C temperature coefficient ensures minimal efficiency drop in hot climates, making the module especially valuable for installations in tropical and arid regions.

⚙️ Next-Gen Cell Technology

Longi’s HIBC (Hybrid Interdigitated Back Contact) technology elevates charge carrier transport and optical absorption, pushing beyond the conventional limits of PERC technology. This gives it a technological edge that could redefine mainstream solar cell architecture.

💧 Enhanced Durability

The module’s densely cross-linked polymer moisture barrier offers higher protection and longer operational lifespan in diverse environmental conditions, reducing long-term O&M costs.

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🌍 Conclusion: A Future-Ready PV Solution

Longi’s 700 W solar module represents a significant leap in PV module design and efficiency, demonstrating the brand’s commitment to both innovation and sustainability. By integrating cutting-edge HIBC technology, superior material engineering, and market-leading temperature and power density metrics, Longi sets a new bar for the global solar industry.

For large-scale developers, commercial energy users, and EPC firms seeking a high-efficiency, durable, and temperature-resilient solution, Longi’s latest launch is more than just a module — it’s the future of solar.