S SOLARSPECS
The First Solar Ultra 550W (2025) is a high-performance IBC N-Type solar module engineered for professional installations. With its exceptional 23.57% efficiency rating, this panel maximizes power density for space-constrained installations. Backed by a comprehensive 25-year warranty, the Ultra 550W (2025) is built for decades of reliable energy production. Measuring 2278 x 1134 x 35 mm and weighing 25.4kg, the Ultra 550W (2025) is designed for efficient handling and installation.
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IBC N-Type

First Solar Ultra 550W (2025)

Max Power
550W
Efficiency
23.57%
Operating V
38.8V
Warranty
25Y
First Solar Ultra 550W (2025) logo
Technical Specifications
Open Circuit Voltage (Voc)47.3V
Short Circuit Current (Isc)15.03A
Voltage at Pmax (Vmp)38.8V
Current at Pmax (Imp)14.18A
Temp. Coefficient of Pmax-0.26%/°C
Dimensions2278 x 1134 x 35 mm
Weight25.4kg

FAQ

What is the power output of First Solar Ultra 550W (2025)?

The First Solar Ultra 550W (2025) produces up to 550W of maximum power under Standard Test Conditions (STC).

How efficient is the Ultra 550W (2025)?

The Ultra 550W (2025) has a module efficiency of 23.57%, placing it in the top tier of commercial solar panels available in 2026.

What warranty does First Solar offer?

First Solar provides a 25-year warranty for the Ultra 550W (2025), covering product defects and performance guarantees.

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