TCL Sunpower presents shingle TOPCon solar panels for rooftop PV
Chinese PV module maker TCL Sunpower has expanded its P Class portfolio with two new shingled-module series targeting residential and commercial rooftop installations. The P Class RES Black line offers outputs from 465 W to 475 W with efficiencies of up to 23.8%, while the P Class COM range delivers 580 W to 600 W and efficiencies reaching 24%.
Both series are designed for high-density rooftop applications and feature multi-busbar, shingled cell architecture aimed at improving shade tolerance and mechanical resilience.
“This new product line is an upgrade of our shingle product range we launched 4 years ago,” the company Sales Representative Italy, Irene Miranda, told pv magazine at the Key Energy fair in Rimini, Italy. “We increase module efficiency while keeping the same dimensions. Furthermore, the module is particularly resistant to salt fog.”
The P Class RES Black series is offered in three power classes – 465 W, 470 W and 475 W – with module efficiencies reaching up to 23.8%. The 475 W variant delivers an open-circuit voltage of 54.0 V and a short-circuit current of 10.91 A.
Designed for residential rooftop applications, the modules measure 2,165 mm × 1,134 mm × 30 mm and weigh 24.2 kg. They are built with 2.0 mm heat-strengthened glass and framed in black anodized aluminum. The junction box is IP68-rated and its temperature coefficient is -0.26%/C. It is rated for a maximum system voltage of 1,500 V DC and operates within a temperature range of -40 C to 85 C.
For commercial and industrial applications, the P Class COM bifacial series has output levels of 580 W, 590 W and 600 W, with efficiencies reaching up to 24%. At STC, the 600 W version achieves a maximum power of 600 W, supported by an open-circuit voltage of 48.5 V and a short-circuit current of 15.73 A. The module operates at a maximum power voltage of 40.7 V and a maximum power current of 14.71 A.
The commercial modules measure 2,278 mm × 1,134 mm × 30 mm and weigh 32.5 kg, reflecting their larger format and higher power density. As with the residential line, they incorporate 2.0 mm heat-strengthened glass and IP68-rated junction boxes.
Both panels feature a temperature coefficient of -0.29%/C and promise a minimum warranted output of 99% in the first year and a maximum annual degradation of 0.4%. They come with a 30-year product warranty and 30-year performance warranty.
According to the manufacturer, both panels are tested to withstand mechanical loads of up to 5,400 Pa on the front side and 2,400 Pa on the rear, making them suitable for rooftops exposed to heavy snow or strong wind loads.
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