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 JAM72D20-450/MB leverages Monocrystalline technology to achieve 20.27% module efficiency and 450W maximum power. Key specs: Voc=49.6V, Isc=11.42A, Vmp=41.2V, Imp=10.92A. Warranty: 25 years.
🏭View all 312 JA Solar models→ Brand range: 165W–635W
Monocrystalline

JA Solar JAM72D20-450/MB

Max Power
450W
Efficiency
20.27%
Operating V
41.2V
Warranty
25Y
JA Solar JAM72D20-450/MB logo
Technical Specifications
Open Circuit Voltage (Voc)49.6V
Short Circuit Current (Isc)11.42A
Voltage at Pmax (Vmp)41.2V
Current at Pmax (Imp)10.92A
Temp. Coefficient of Pmax-0.331%/°C
Dimensions1914 x 1160 x 35 mm
Weight27.8kg
NOCT44.22°C
PTC Rating428.6W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 312 JA Solar models in database

FAQ

How efficient is the JA Solar JAM72D20-450/MB?

This panel has 20.27% efficiency, which is above average for commercial solar panels.

What is the max power output of the JA Solar JAM72D20-450/MB?

The JA Solar JAM72D20-450/MB is rated at 450W under STC (1000 W/m², 25°C, AM 1.5).

What are the dimensions and weight of the JA Solar JAM72D20-450/MB?

It measures 1914 x 1160 x 35 mm and weighs 27.8kg.

How long is the warranty for the JA Solar JAM72D20-450/MB?

The JAM72D20-450/MB 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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