Description
The Ameresco Solar 20M is a compact, 20-watt monocrystalline solar module designed for long-term deployment in harsh off-grid environments. With proven reliability across applications from Arctic research to industrial sites, it features a factory-potted junction box with a 15-foot cable for easy and secure installation. Its corrosion-resistant frame and high-transmission tempered glass make it ideal for powering mission-critical systems in remote and hazardous locations.
Key Features:
- 20W monocrystalline panel with 12V nominal output
- Sealed junction box with 15 ft. AWG 18-2 cable for fast connections
- Multimount aluminum frame with bolt channels for flexible mounting
- Durable polyester backsheet and EVA encapsulant for long service life
- Certified for Class I, Division 2 hazardous locations
- Field-proven in extreme climates: heat, snow, salt, and ice
Ideal Applications:
- Oil & gas field instrumentation
- Remote monitoring and telemetry
- SCADA and RTU systems
- Off-grid control panels and lighting
- Industrial battery charging
Electrical Specifications:
| Electrical Characteristics | |
|---|---|
| Maximum Power – Pmax | 20W – STC, 14.4W – NMOT |
| Voltage at Pmax – Vmpp | 17.9V – STC, 15.9V – NMOT |
| Current at Pmax – Impp | 1.12A – STC, 0.91A – NMOT |
| Open Circuit Voltage – Voc | 22.1V – STC, 20.1V – NMOT |
| Short Circuit Current – Isc | 1.16A – STC, 0.94A – NMOT |
| Module Efficiency | 9.5% |
| Nominal Voltage | 12V |
| Power Tolerance | ±10% |
| Efficiency Reduction @ 200W/m² | <5% – 9.0% efficiency |
| Max System Voltage | 50V |
| Max Series Fuse Rating | 3A |
| Limiting Reverse Current | 1.29A |
| Temperature Coeff. – Pmax | -0.45%/°C |
| Temperature Coeff. – Voc | -0.360%/°C |
| Temperature Coeff. – Isc | +0.105%/°C |
| NMOT | 47 ±2°C |
Mechanical Specifications:
| Mechanical Data | |
|---|---|
| Dimensions | 421 x 501 x 23 mm – 16.6 x 19.7 x 0.9 in |
| Weight | 2.5 kg – 5.5 lbs |
| Solar Cells | 36 monocrystalline silicon cells in series |
| Front Cover | 3.2 mm high-transmission tempered glass |
| Backsheet | White polyester |
| Encapsulant | EVA |
| Frame | Silver anodized aluminum – multimount frame with dual bolt channels |
| Junction Box | Lo-Pro junction box with 15 ft. AWG 18-2 cable – red +, black - |
Certifications:
- IEC 61215 / IEC 61730 / EN equivalents
- UL 1703 & ULC ORD-C1703 – Intertek ETL
- FM 3611 / CAN CSA C22.2 No. 213-M1987
- Class I, Division 2, Groups A, B, C, D Hazardous Locations
- ISO 9001 Certified Manufacturing
Warranty:
- 2-year warranty on materials and workmanship
- 12-year minimum 90% power output guarantee
- Optional 25-year extended performance warranty available
Warranty Information
2-year materials & workmanship; 12-year 90% power; optional 25-year power
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