S SOLARSPECS
As one of the latest offerings from Q CELLS, the Ultra 420W represents cutting-edge IBC N-Type solar technology optimized for maximum energy yield. With its exceptional 23.33% efficiency rating, this panel maximizes power density for space-constrained installations. Backed by a comprehensive 25-year warranty, the Ultra 420W is built for decades of reliable energy production. Measuring 1855 x 1026 x 35 mm and weighing 20.0kg, the Ultra 420W is designed for efficient handling and installation.
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IBC N-Type

Q CELLS Ultra 420W

Max Power
420W
Efficiency
23.33%
Operating V
34.4V
Warranty
25Y
Q CELLS Ultra 420W logo
Technical Specifications
Open Circuit Voltage (Voc)42.1V
Short Circuit Current (Isc)12.94A
Voltage at Pmax (Vmp)34.4V
Current at Pmax (Imp)12.21A
Temp. Coefficient of Pmax-0.27%/°C
Dimensions1855 x 1026 x 35 mm
Weight20.0kg

FAQ

What is the power output of Q CELLS Ultra 420W?

The Q CELLS Ultra 420W produces up to 420W of maximum power under Standard Test Conditions (STC).

How efficient is the Ultra 420W?

The Ultra 420W has a module efficiency of 23.33%, 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 420W, covering product defects and performance guarantees.

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