S SOLARSPECS
The Suntech Power STP250-20/Wd is a Monocrystalline solar module delivering 250W of rated power output with 15.37% module efficiency. Designed for small-scale residential systems, this panel brings reliable performance.
🏭View all 133 Suntech Power models Brand range: 170W–330W
Monocrystalline

Suntech Power STP250-20/Wd

Max Power
250W
Efficiency
15.37%
Operating V
30.7V
Warranty
25Y
Suntech Power STP250-20/Wd logo
Technical Specifications
Open Circuit Voltage (Voc)37.4V
Short Circuit Current (Isc)8.63A
Voltage at Pmax (Vmp)30.7V
Current at Pmax (Imp)8.15A
Temp. Coefficient of Pmax-0.45%/°C
Dimensions1640 x 992 x 35 mm
Weight20.3kg
NOCT43.7°C
PTC Rating234.3W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 133 Suntech Power models in database

FAQ

How efficient is the Suntech Power STP250-20/Wd?

This panel has 15.37% efficiency, which is standard for commercial solar panels.

What are the dimensions and weight of the Suntech Power STP250-20/Wd?

It measures 1640 x 992 x 35 mm and weighs 20.3kg.

What is the max power output of the Suntech Power STP250-20/Wd?

The Suntech Power STP250-20/Wd is rated at 250W under STC (1000 W/m², 25°C, AM 1.5).

How long is the warranty for the Suntech Power STP250-20/Wd?

The STP250-20/Wd comes with a 25-year product warranty covering defects and degradation.

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📊 Brand Context

Suntech Power offers 133 solar panel models from 170W to 330W.

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