Renogy Solar Panel - 2PCS 320W Bifacial N-Type

This 2-pack of 320W bifacial solar panels delivers reliable renewable energy for caravans, motorho...

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Full details

The Renogy 2PCS 320W Bifacial N-Type Solar Panel set is designed for off-grid enthusiasts, caravan owners, and remote cabin dwellers seeking high-efficiency renewable energy in a compact footprint. These panels leverage bifacial technology to capture sunlight from both sides, providing a significant power boost for your electrical systems while remaining lightweight and durable; however, potential users must ensure their mounting system allows for light reflection to the rear side to maximize the bifacial energy gain.

All features

Model Part Number2PCS 320W Bifacial N-Type
BrandRenogy

Extended Product Information

FAQs

What does bifacial mean?

Bifacial solar panels have solar cells on both the front and back, allowing them to capture reflected sunlight from the ground or mounting surface.

Can I mount these flat against a roof?

While possible, mounting them flush against a roof will prevent the rear side from capturing reflected light, negating the primary benefit of the bifacial design.

Are these panels waterproof?

Yes, they are rated IP68, meaning they are fully protected against dust and can withstand immersion in water, making them highly reliable in rain.

Do I need a special controller?

You need a charge controller compatible with the total voltage and amperage of your panel array. MPPT controllers are recommended for efficiency.

Can I use these for a boat?

Yes, their compact size and weather-resistant construction make them excellent for marine use, provided they are securely mounted to withstand wind.

Troubleshooting

Low power output

Check if the rear side of the panel is blocked or if there is debris on the front glass. Ensure the solar charge controller settings match the panel array.

No power from panel

Inspect all MC4 connections for loose plugs and test the panel voltage with a multimeter to ensure it meets the specified output range.

Pros and Cons

Pros

  • High energy conversion efficiency of up to 25%
  • Dual-side energy harvesting increases yield in varied light conditions
  • Durable IP68-rated construction for long-term outdoor reliability
  • Compact form factor optimizes limited mounting space
  • Suitable for both mobile and stationary off-grid installations

Cons

  • Requires specific mounting heights to allow light to reach the back panel
  • Performance is highly dependent on surface reflectivity (albedo) for the rear side
  • Larger total wattage output requires a compatible solar charge controller

Setup, Compatibility & Care

Installation requires a sturdy racking system that supports the panels while maintaining a clearance of at least 4 to 6 inches from the mounting surface to facilitate rear-side light entry. Ensure the panels are wired in a configuration (series or parallel) that matches your solar charge controller's voltage and current limits. Regularly inspect the cables and MC4 connectors for any signs of wear or moisture ingress. Cleaning is straightforward: wipe the glass surfaces with a soft cloth and non-abrasive soap during the early morning or late evening to avoid thermal shock to the glass and maximize light absorption during peak daylight hours.

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