
Solar panel · JA Solar
DeepBlue 4.0 Pro (JAM72D42/LB)
The figures below come from the JA Solar datasheet. Choose the version named on your quote to see its exact values.
- Rated power
- 640 W
- Efficiency
- 22.9 %
- Product warranty
- 12 years
Manufacturer’s document · DeepBlue 4.0 Pro (JAM72D42/LB)
JAM72D42-640/LB: Specifications
Power and efficiency
See the test conditions the manufacturer states.
- Rated power
- 640 W
- Efficiency
- 22.9 %
Size and weight
The dimensions help plan the layout on your roof.
- Dimensions
- 2,465 × 1,134 × 30 mm
- Weight
- 34.6 kg
Electrical values
These values are used to design the installation.
- Voltage at maximum power (Vmp)
- 44.29 V
- Current at maximum power (Imp)
- 14.45 A
- Open-circuit voltage (Voc)
- 52.87 V
- Short-circuit current (Isc)
- 15.31 A
- Maximum system voltage
- 1,500 V
- Maximum series fuse rating
- 30 A
Performance in heat
These coefficients describe how performance changes with temperature.
- Temperature coefficient of power
- -0.29 %/°C
- Temperature coefficient of voltage
- -0.25 %/°C
- Temperature coefficient of current
- 0.045 %/°C
Warranties
Check the manufacturer’s terms for this model in the UK.
- Product warranty
- 12 years
- Power warranty
- 30 years
- Guaranteed power retained
- 87.4 %
