As the global energy transition accelerates and the PV industry moves into a new phase of high-quality development, technological progress is evolving from incremental improvements to system-level optimization across efficiency, reliability and cost.
Backed by 25 years of technical expertise and continuous R&D investment, Suntech continues to advance along specialized technology pathways. With TOPCon 3.0 cell efficiency exceeding 26.5%, the company further integrates quarter-cut cell technology at scale, launching the Ultra T 3.0 module series—delivering comprehensive upgrades across electrical design, thermal performance, encapsulation processes and long-term reliability, redefining high-efficiency PV standards.
Quarter-cut technology fundamentally addresses power loss and safety challenges through optimized cell structure and electrical characteristics. By reducing the operating current of individual cells, resistive losses are minimized at the source, enabling more efficient and stable power output.
At the same time, optimized cell layout and lower current contribute to more uniform heat distribution, significantly reducing hotspot risks and ensuring stable operation under partial shading, high-temperature and high-density installation conditions.
The technology also enables compatibility with high-density, near-zero and negative spacing designs, increasing effective light-receiving area and boosting power generation per unit area. Through high-precision edge passivation and advanced thin-film processes, cutting-related defects are effectively mitigated, transforming cell segmentation into a driver of efficiency gains.
With improved temperature coefficients, enhanced low-light performance and stronger resistance to micro-cracks and mechanical loads, quarter-cut modules deliver superior reliability throughout transportation, installation and long-term operation.
Leveraging TOPCon 3.0 cell technology, Suntech achieves integration between quarter-cut technology and high-efficiency N-type cells, translating technological advantages into product competitiveness through the Ultra T 3.0 series.
The latest module achieves a bifaciality ratio of up to 90%, delivering enhanced rear-side generation and strong performance in bifacial applications. With first-year degradation ≤1% and subsequent annual degradation as low as 0.35%, it significantly outperforms industry benchmarks in long-term reliability. Combined with dual-glass structure and advanced coating technologies, the product offers enhanced transmittance, weather resistance and durability against salt mist and sand exposure, ensuring stable performance across diverse environments. Backed by a product warranty of up to 25 years and a linear power warranty of 30 years, Suntech’s new module translates technological innovation into long-term value for customers, with quarter-cut technology representing a critical pathway toward higher efficiency, enhanced reliability and improved lifecycle value.