S SOLARSPECS
JA Solar is one of the world's largest solar panel manufacturers, founded in 2005 and headquartered in Beijing, supplying modules for 100+ countries. The JA Solar JAM54S31-385/MR (385W, 20.26%) is a Monocrystalline photovoltaic module. Electrical: Voc 36.7V, Isc 13.52A, Vmp 30.5V, Imp 12.64A. Temp coeff -0.329%/°C.
🏭View all 312 JA Solar models Brand range: 165W–635W
Monocrystalline

JA Solar JAM54S31-385/MR

Max Power
385W
Efficiency
20.26%
Operating V
30.5V
Warranty
25Y
JA Solar JAM54S31-385/MR logo
Technical Specifications
Open Circuit Voltage (Voc)36.7V
Short Circuit Current (Isc)13.52A
Voltage at Pmax (Vmp)30.5V
Current at Pmax (Imp)12.64A
Temp. Coefficient of Pmax-0.329%/°C
Dimensions1771 x 1073 x 35 mm
Weight23.8kg
NOCT46.24°C
PTC Rating364.7W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 312 JA Solar models in database

FAQ

What are the dimensions and weight of the JA Solar JAM54S31-385/MR?

It measures 1771 x 1073 x 35 mm and weighs 23.8kg.

What is the max power output of the JA Solar JAM54S31-385/MR?

The JA Solar JAM54S31-385/MR is rated at 385W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the JA Solar JAM54S31-385/MR?

This panel has 20.26% efficiency, which is above average for commercial solar panels.

How long is the warranty for the JA Solar JAM54S31-385/MR?

The JAM54S31-385/MR comes with a 25-year product warranty covering defects and degradation.

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📊 Brand Context

JA Solar offers 312 solar panel models from 165W to 635W.

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