S SOLARSPECS
The Shanghai ST Solar STP255-72 is a Monocrystalline solar module delivering 255W of rated power output with 12.97% module efficiency. Designed for small-scale residential systems, this panel brings reliable performance.
🏭View all 55 Shanghai ST Solar models Brand range: 190W–350W
Monocrystalline

Shanghai ST Solar STP255-72

Max Power
255W
Efficiency
12.97%
Operating V
34.6V
Warranty
25Y
Shanghai ST Solar STP255-72 logo
Technical Specifications
Open Circuit Voltage (Voc)43.2V
Short Circuit Current (Isc)8.2A
Voltage at Pmax (Vmp)34.6V
Current at Pmax (Imp)7.38A
Temp. Coefficient of Pmax-0.45%/°C
Dimensions1966 x 1000 x 35 mm
Weight24.6kg
NOCT46.8°C
PTC Rating236.1W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 55 Shanghai ST Solar models in database

FAQ

How efficient is the Shanghai ST Solar STP255-72?

This panel has 12.97% efficiency, which is standard for commercial solar panels.

What are the dimensions and weight of the Shanghai ST Solar STP255-72?

It measures 1966 x 1000 x 35 mm and weighs 24.6kg.

What is the max power output of the Shanghai ST Solar STP255-72?

The Shanghai ST Solar STP255-72 is rated at 255W under STC (1000 W/m², 25°C, AM 1.5).

How long is the warranty for the Shanghai ST Solar STP255-72?

The STP255-72 comes with a 25-year product warranty covering defects and degradation.

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📊 Brand Context

Shanghai ST Solar offers 55 solar panel models from 190W to 350W.

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