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. JA Solar's JAM72S09-390/PR leverages Monocrystalline technology to achieve 20.12% module efficiency and 390W maximum power. Key specs: Voc=49.4V, Isc=10.22A, Vmp=40.2V, Imp=9.7A. Warranty: 25 years.
🏭View all 312 JA Solar models→ Brand range: 165W–635W
Monocrystalline

JA Solar JAM72S09-390/PR

Max Power
390W
Efficiency
20.12%
Operating V
40.2V
Warranty
25Y
JA Solar JAM72S09-390/PR logo
Technical Specifications
Open Circuit Voltage (Voc)49.4V
Short Circuit Current (Isc)10.22A
Voltage at Pmax (Vmp)40.2V
Current at Pmax (Imp)9.7A
Temp. Coefficient of Pmax-0.361%/°C
Dimensions1788 x 1084 x 35 mm
Weight24.2kg
NOCT44.35°C
PTC Rating369.6W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 312 JA Solar models in database

FAQ

How long is the warranty for the JA Solar JAM72S09-390/PR?

The JAM72S09-390/PR comes with a 25-year product warranty covering defects and degradation.

How efficient is the JA Solar JAM72S09-390/PR?

This panel has 20.12% efficiency, which is above average for commercial solar panels.

What is the max power output of the JA Solar JAM72S09-390/PR?

The JA Solar JAM72S09-390/PR is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).

What are the dimensions and weight of the JA Solar JAM72S09-390/PR?

It measures 1788 x 1084 x 35 mm and weighs 24.2kg.

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📊 Brand Context

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

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