S SOLARSPECS
As one of the latest offerings from First Solar, the Ultra 400W (2023) represents cutting-edge IBC N-Type solar technology optimized for maximum energy yield. With its exceptional 22.93% efficiency rating, this panel maximizes power density for space-constrained installations. Backed by a comprehensive 25-year warranty, the Ultra 400W (2023) is built for decades of reliable energy production. Measuring 1722 x 1134 x 30 mm and weighing 18.1kg, the Ultra 400W (2023) is designed for efficient handling and installation.
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IBC N-Type

First Solar Ultra 400W (2023)

Max Power
400W
Efficiency
22.93%
Operating V
34.0V
Warranty
25Y
First Solar Ultra 400W (2023) logo
Technical Specifications
Open Circuit Voltage (Voc)41.6V
Short Circuit Current (Isc)12.47A
Voltage at Pmax (Vmp)34.0V
Current at Pmax (Imp)11.76A
Temp. Coefficient of Pmax-0.27%/°C
Dimensions1722 x 1134 x 30 mm
Weight18.1kg

FAQ

What is the power output of First Solar Ultra 400W (2023)?

The First Solar Ultra 400W (2023) produces up to 400W of maximum power under Standard Test Conditions (STC).

How efficient is the Ultra 400W (2023)?

The Ultra 400W (2023) has a module efficiency of 22.93%, 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 400W (2023), covering product defects and performance guarantees.

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