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Ameresco 20M > Ameresco Solar 20 Watt Solar Panel - Class 1 Div 2
Ameresco Solar 20 Watt Solar Panel -Ameresco 20M

Our Price: $135.23
Warranty: 2 Year
Volts: 12 V

Product Code: AMERESCO-20M

Description Data Sheet

Ameresco 20M > Ameresco Solar 20 Watt Solar Panel

This line of modules is the direct result of over three decades of design, manufacturing and use. Attending to every detail in the design and manufacture of our products, our process controls and testing methods have optimized module life and electrical energy production.

Ameresco Solar’s off-grid module line offers the following features and benefits:

Model 20M
Series J Series
Manufacturer Ameresco


Type Polycrystalline
Dimensions 16.6" x 19.7" x 0.9"
Weight 4.2 lbs
Frame Silver Anodized Alimunum
Connector Lo-Pro Junction Box w/ 15' cable


Watts (STC) 20 W
Max Power Voltage (VMPP) 17.9 V
Max Power Current (IMPP) 1.12 A
Open Circuit Voltage (VOC) 22.1 V
Short Circuit Current (ISC) 1.16 A
Max System Voltage (UL) 50 VDC


  • Free from defects in materials and workmanship for 2 years
  • 90% min. power output over 12 years
  • Optional 25 years available
* Refer to warranty document for terms and conditions


Data Sheet Ameresco 20M Data Sheet

Detailed Information

Built to last
From mountaintops to off-shore platforms, on weather stations in the bitter cold of Antarctica and on telephone signal repeaters in the hot Australian outback, the technology has been proven in the harshest environments.

Multiple mounting possibilities
Multimount frame allows even greater flexibility in mounting. Positioned parallel to the edge and back of the module, its dual channels accept either M8 or 5/16” hex-head bolts, allowing the module to be mounted from the side or back.

Long cable for easier batttery connections
A 15 foot (4.6 meter) PVC-jacketed AWG 18-2 polarized cable is potted into the fully sealed junction box located on the module back. The module’s electrical connections are sealed for prevention against corrosion and moisture penetration.

Easier bolt management
Bolts may be located anywhere along the channels; the channel groove is specially designed to prevent the bolt from rotating when tightening, allowing installation with just one wrench.

Quality and certifications
ISO 9001 factory certification ensures that our manufacturing facilities use proven manufacturing and quality control processes.

Certified to IEC 61215 and 61730

Certified to UL1703 and ULC1703

Certified for use in Class 1, Division 2 Hazardous locations

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Class 1, Div 2
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