Ameresco Solar 30J 30W 12V Solar Panel With J-box

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Ameresco Solar
30 Watt, 12V Solar Panel with Junction Box

This line of durable, off-grid modules from Ameresco Solar is the direct result of over 3 decades of design, manufacturing, and use. Process controls and testing methods have optimized module life and electrical energy production. This is an advanced 30W photovoltaic module with 12V nominal power output, making it ideal for battery charging applications in remote, mobile, or other off-grid applications.


  • Built to last - tested and proven in the harshest of environmental conditions
  • J-type junction box has accessible terminals for easier module interconnections in off-grid applications
  • Thick, durable, white back sheet provides extra insulation and increased resistance to protect against rough handling
  • Cell interconnections and diode placement are field proven to provide high reliability
  • ISO 9001 factory certification, IEC 61215 and 61730; UL1703 and ULC1703 - certified for use in Class 1, Div 2 hazardous locations
  • Limited 12 Year Warranty
30J - Electrical Characteristics
Rated power (Pmax) 30W
Voltage at Pmax (Vmp) 17.9V
Current at Pmax (Imp) 1.68A
Module efficiency 10.5%
Short-circuit current (Isc) 1.74A
Open-circuit voltage (Voc) 22.1V
Maximum series fuse rating 5A
Maximum system voltage 50V
Nominal voltage 12V
30J - Mechanical Characteristics
Dimensions 31.3" x 14.1" x 1.97"
(796 x 358 x 50 mm)
Weight 3.9 kg / 8.6 lbs.
Frame Silver anodized aluminum
Front Cover/Back Cover High transmission 3.2mm (1/8in) glass/ White poly
Solar Cells 36 polycrystalline cells connected in series
Junction Box IP65 junction box with four terminal screw connection block
Wiring J-Box terminals accept 8-14 AWG wire

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