S SOLARSPECS
The LONGi Solar Ultra 440W is a high-performance IBC N-Type solar module engineered for professional installations. With its exceptional 23.39% efficiency rating, this panel maximizes power density for space-constrained installations. Backed by a comprehensive 25-year warranty, the Ultra 440W is built for decades of reliable energy production. Measuring 1855 x 1026 x 35 mm and weighing 20.1kg, the Ultra 440W is designed for efficient handling and installation.
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IBC N-Type

LONGi Solar Ultra 440W

Max Power
440W
Efficiency
23.39%
Operating V
34.8V
Warranty
25Y
LONGi Solar Ultra 440W logo
Technical Specifications
Open Circuit Voltage (Voc)42.6V
Short Circuit Current (Isc)13.4A
Voltage at Pmax (Vmp)34.8V
Current at Pmax (Imp)12.64A
Temp. Coefficient of Pmax-0.27%/°C
Dimensions1855 x 1026 x 35 mm
Weight20.1kg

FAQ

What is the power output of LONGi Solar Ultra 440W?

The LONGi Solar Ultra 440W produces up to 440W of maximum power under Standard Test Conditions (STC).

How efficient is the Ultra 440W?

The Ultra 440W has a module efficiency of 23.39%, placing it in the top tier of commercial solar panels available in 2026.

What warranty does LONGi Solar offer?

LONGi Solar provides a 25-year warranty for the Ultra 440W, covering product defects and performance guarantees.

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