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The Rich Solar MEGA 55 55 Watt 12V Solar Panel (model RS-M55) is a compact rigid panel for 12V off-grid systems. It uses 33 monocrystalline cells with 5-busbar technology behind 3.2 mm AR-coated tempered glass, in an anodized aluminum frame that measures 25 x 20 x 1.2 inches and weighs 8.2 pounds.
Rich Solar builds it for RVs, vans, truck campers, boats and cabins. Pre-attached MC4 leads, an IP67-rated junction box and eight pre-drilled mounting holes make installation simple, and it carries a 25-year power output warranty and a 10-year workmanship warranty.
The 33-cell layout uses 5-busbar monocrystalline cells with up to 22.6% cell efficiency, for a module efficiency of 17.1%. At its maximum power point the panel delivers 18.7V and 2.94A. The 0 to +5W power tolerance means each panel is rated to deliver at least 55W at standard test conditions.
Rich Solar designs the MEGA 55 to keep producing on cloudy days and at dawn and dusk. A power temperature coefficient of -0.35%/°C helps it hold output as the cells warm up.
High-transmission, AR-coated 3.2 mm tempered glass protects the cells while letting in sunlight. The panel is built to withstand salt, ammonia, sand, high temperatures and humidity, and it is rated for 5400 Pa snow loads and 2400 Pa wind loads. The operating range is -40°F to +185°F.
Every panel goes through 100% EL inspection, and the cells are PID resistant. Rich Solar uses a non-destructive cutting process to help minimize micro-cracks.
Pre-attached #12 gauge (4.0 mm²) leads, 35.4 inches each, end in MC4 connectors, and the junction box and connectors are both rated IP67. Eight pre-drilled holes in the frame fit Z brackets, tilt mounts, pole mounts and ground installations.
The MEGA 55 is UL certified to the UL 61730, UL IEC 61215 and CSA C22.2 No. 61730 standards for photovoltaic modules, which helps when an installation calls for listed equipment.
Boats. Rich Solar lists marine systems among the panel's uses, and the IP67-rated junction box and connectors suit outdoor installations.
Vans and truck campers. Add 55W of charging to a 12V house battery in a 25 x 20 inch footprint.
Trailers and RVs. Help keep a 12V battery topped up while you travel or camp.
Cabins. Add a compact panel to a 12V off-grid battery system.
A larger panel produces more power, but it needs more open mounting area and adds weight. The MEGA 55 keeps the size to 25 x 20 inches and 8.2 pounds for spaces where a full-size panel won't fit.
A flexible panel is made to follow curved surfaces. The MEGA 55 is a rigid panel with 3.2 mm tempered glass and an anodized aluminum frame, rated for 5400 Pa snow and 2400 Pa wind loads, and it mounts through eight pre-drilled holes.
Make sure your charge controller accepts the panel's 22.4V open circuit voltage and 3.23A short circuit current. Open circuit voltage rises in cold weather, with a temperature coefficient of -0.28%/°C, so leave headroom on the controller's input limit. The connectors support series and parallel wiring; keep any string under the 1000VDC maximum system voltage and note the 10A maximum series fuse rating.
Mounting hardware isn't included. Choose Z brackets for a flat roof or a tilt, pole or ground mount, and line them up with the pre-drilled holes.
The panel measures 25 x 20 x 1.2 inches (635 x 508 x 30 mm) and weighs 8.2 pounds (3.7 kg).
Yes. The connectors support both series and parallel configurations. Keep the total within your charge controller's limits and the 1000VDC maximum system voltage.
Rich Solar lists the MEGA 55 as compatible with both on-grid and off-grid inverters, as well as mainstream optimizers and mounting systems.
Rich Solar provides a 25-year power output warranty and a 10-year limited workmanship warranty.
The Rich Solar MEGA 55 55 Watt 12V Solar Panel pairs 5-busbar monocrystalline cells with AR-coated tempered glass, IP67-rated connections and UL certification in a 25 x 20 inch frame for boats, vans, trailers and cabins. If you'd like help matching it to a charge controller, battery or mount, the Outbound Power team is happy to help.
Rich Solar MEGA 55 55 Watt 12V Solar Panel Specifications |
|
|---|---|
| Model | RS-M55 |
| Electrical | |
| Maximum Power (Pmax) | 55W |
| Power Output Tolerance | 0 to +5W |
| Maximum Power Voltage (Vmp) | 18.7V |
| Maximum Power Current (Imp) | 2.94A |
| Open Circuit Voltage (Voc) | 22.4V |
| Short Circuit Current (Isc) | 3.23A |
| Maximum System Voltage | 1000VDC |
| Maximum Series Fuse Rating | 10A |
| Module Efficiency | 17.1% |
| Maximum Cell Efficiency | 22.6% |
| Test Conditions | STC: 1000 W/m², 25 °C cell temperature, AM 1.5 |
| Temperature Ratings | |
| Temperature Range | -40°F to +185°F |
| Nominal Module Operating Temperature (NMOT) | 45°C ± 2°C |
| Temperature Coefficient of Pmax | -0.35%/°C |
| Temperature Coefficient of Voc | -0.28%/°C |
| Temperature Coefficient of Isc | 0.045%/°C |
| Physical | |
| Cells | 33 monocrystalline, 5-busbar (3 x 11) |
| Cell Size | 6.3 x 2.1 in (158.75 x 52.2 mm) |
| Glass | 3.2 mm (0.13 in) high-transmission AR-coated tempered glass |
| Backsheet | White |
| Frame | Anodized aluminum alloy |
| Mounting Holes | 8 pre-drilled |
| Junction Box | IP67 |
| Connectors | MC4, IP67 |
| Cables | 4.0 mm² (#12 gauge), 35.4 in (900 mm) |
| Mechanical Load | 5400 Pa snow (positive), 2400 Pa wind (negative) |
| Dimensions (L x W x H) | 25 x 20 x 1.2 in (635 x 508 x 30 mm) |
| Weight | 8.2 lb (3.7 kg) |
| Certifications and Warranty | |
| Certifications | UL 61730, UL IEC 61215, CSA C22.2 No. 61730 |
| Power Output Warranty | 25 years |
| Workmanship Warranty | 10 years (limited) |
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