S SOLARSPECS
As one of the latest offerings from Q CELLS, the Ultra 390W represents cutting-edge IBC N-Type solar technology optimized for maximum energy yield. With its exceptional 23.25% efficiency rating, this panel maximizes power density for space-constrained installations. Backed by a comprehensive 25-year warranty, the Ultra 390W is built for decades of reliable energy production. Measuring 1722 x 1134 x 30 mm and weighing 18.0kg, the Ultra 390W is designed for efficient handling and installation.
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IBC N-Type

Q CELLS Ultra 390W

Max Power
390W
Efficiency
23.25%
Operating V
33.8V
Warranty
25Y
Q CELLS Ultra 390W logo
Technical Specifications
Open Circuit Voltage (Voc)41.4V
Short Circuit Current (Isc)12.23A
Voltage at Pmax (Vmp)33.8V
Current at Pmax (Imp)11.54A
Temp. Coefficient of Pmax-0.27%/°C
Dimensions1722 x 1134 x 30 mm
Weight18.0kg

FAQ

What is the power output of Q CELLS Ultra 390W?

The Q CELLS Ultra 390W produces up to 390W of maximum power under Standard Test Conditions (STC).

How efficient is the Ultra 390W?

The Ultra 390W has a module efficiency of 23.25%, placing it in the top tier of commercial solar panels available in 2026.

What warranty does Q CELLS offer?

Q CELLS provides a 25-year warranty for the Ultra 390W, covering product defects and performance guarantees.

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