Trina Solar Vertex S+ — 445 W N-type i-TOPCon Dual-Glass Monocrystalline Module

Power packed into a compact, durable, next-gen module.
Designed for modern rooftops and commercial installations where high efficiency, premium build quality and long-term reliability matter, the Vertex S+ (TSM-NEG9R.25) delivers strong performance in a sleek, robust form.

Key Features & Benefits

• Rated output of 445 W under Standard Test Conditions – impressive for its size and designed to boost your system’s power per module. 

• Efficiency up to ~22.3% thanks to advanced N-type i-TOPCon technology and high-density cell interconnects. 

• Dual-glass (glass-glass) construction, replacing the standard backsheet with toughened glass, which enhances durability, weather resistance, fire safety and longevity. 

• Compact size, lighter weight (~21 kg) making installation easier on roofs with lower load capacity. 

• Low annual degradation: first-year loss approx. ~1%, then ~0.4% per year. This supports long-term energy output and value. 

• High system voltage compatibility (up to 1500 V DC) and strong mechanical ratings (snow/wind loads) make it suitable for challenging environments. 

Why Choose the Vertex S+ 445 W Module?

When you’re installing solar on a roof with limited space or you want fewer modules to reach a given power target, this module shines. Its premium technology (N-type, TOPCon), dual-glass build and high efficiency mean you get more wattage per square metre, enhanced durability, and better yield over time making it particularly ideal for residential premium installations or commercial rooftops where aesthetics and performance both matter.

Installation & Application Insights

• Suited for installations where roof area is constrained or where fewer modules with higher output is a benefit.

• Dual-glass design means care in mounting and handling: although lighter than older large-format modules, the glass-glass build still requires appropriate racking, mounting hardware, and may involve extra handling care.

• Ensure your inverter string design (voltage/current) supports the module’s electrical specs and that roof structure / mounting system can accommodate the frame size and weight.

• Given its high efficiency and compact size, this module works well in residential premium installations (visible rooftops) where aesthetics (all-black look) matter.

• For best results: minimize shading, ensure clean surface, ensure good ventilation to avoid temperature-related power losses, and use modules from the same batch when possible for consistent performance.

Document: Specification Sheet