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Solar DE18 550 Watt
- Solar DE18 550 Watt
- Trina Solar 550W-TSM-DE18 TallMax Monocrystalline Panel (30 mm)
The Trina Solar 550W-TSM-DE18 Tallmax Monocrystalline Panel is a high-efficiency solar panel designed to maximise energy output. With its advanced cell technology and innovative design, this panel delivers exceptional performance, even in low-light conditions. It’s the ideal solution for residential and commercial solar installations, providing reliable and sustainable power.
Key Specifications
Peak Power Watts-P MAX (Wp): 550 W
Maximum Power Voltage-VMPP (V): 41.6 V
Maximum Power Current-IMPP (A): 13.21 A
Solar Cells: Monocrystalline
No. of cells: 144 cells
Maximum Efficiency: 21.7%
Product Benefits
Trina Solar 550W-TSM-DE18 Tallmax has multi-busbar technology for better light trapping effect, lower series resistance and improved current collection.
Ensured PID resistance through cell process and module material control.
Lower temperature coefficient (-0.34%) and operating temperature.
25 year Power Warranty
The Trina Solar DE18 550 Watt Solar Panel is a high-performance photovoltaic module designed to maximize energy production in residential, commercial, and utility solar systems. As part of Trina Solar’s DE18 series, this 550 W panel brings together advanced cell technology, robust build quality, and long-term reliability — making it a strong choice for large-scale installations and projects where efficiency and space optimization are priorities.
At its core, the DE18 550 W panel uses monocrystalline silicon cells with efficient design and interconnection architecture. This allows it to deliver a power output of 550 W per panel, which is significantly higher than traditional modules in the 300–400 W range. Higher wattage means fewer panels are required to reach a target system size, which can reduce installation time and overall balance-of-system costs. It also makes this panel particularly appealing for rooftops and commercial arrays where space is limited.
Efficiency is a key strength of the DE18 series. These panels are engineered to convert a large portion of sunlight into electrical energy, improving yield throughout the day — including in low-light conditions such as early mornings or overcast weather. Optimized electrical characteristics and low temperature coefficients help the module maintain solid performance even on hot days when solar output can otherwise degrade.
Durability and long service life are built into the design. The panel is constructed with high-quality tempered glass and a corrosion-resistant aluminum frame, providing protection against environmental stresses such as wind, snow loads, and temperature fluctuations. Many panels in this category are also tested for resistance to salt mist and ammonia, making them suitable for a wide range of climates and installation environments.
Another advantage of the Trina Solar DE18 550 W Solar Panel is its compatibility with modern high-voltage systems (often up to 1500 V DC). Higher system voltages allow longer strings of panels, which can reduce wiring and inverter costs and simplify system design.
Overall, the DE18 550 W panel combines high output, strong efficiency, and durable construction, making it a compelling choice for solar projects seeking to optimize energy production and long-term reliability.





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