The Trina Solar TSM-DE18M(II) is a monocrystalline backsheet PV module from the Vertex series, specifically designed for high-power output in commercial, industrial, and utility-scale solar projects. It utilizes advanced 210mm silicon wafers, mono PERC cells, and 1/3-cut technology to achieve a power range of 485W to 515W.
Key Technical Specifications
- Power Range: 485W – 515W
- Efficiency: Up to 21.4% (dependent on model)
- Technology: 150 Monocrystalline 1/3-cut cells, Multi-Busbar (MBB)
- Dimensions: 2187 × 1102 × 35 mm
- Weight: 26.3 kg – 26.5 kg
- Power Tolerance: 0 ~ +5W
- Max Series Fuse Rating: 20A
Mechanical and Reliability Features
- Cell Design: 150-cell 1/3-cut configuration (150 cells total) reduces cell-level stress and improves reliability.
- Glass: 3.2 mm, High Transmission, AR Coated Heat Strengthened Glass.
- Frame: 35 mm Anodized Aluminium Alloy.
- Junction Box: IP 68 rating.
- Mechanical Load: 5400 Pa (positive/snow), 2400 Pa (negative/wind).
- Non-destructive Cutting: Used to minimize micro-cracks
Warranty
- Product Workmanship Warranty: 12 Years
- Performance Warranty: 25 Years linear warranty with a maximum 2% first-year degradation and 0.55% annual power attenuation.

