400W (200W*2pcs) 12V 9BB Mono Solar Panel


BougeRV 400W solar panel is both compatible and portable. It will be a perfect choice if you are an off-grid adventurer. The 400W solar panel can produce reliable and environmentally-friendly energy, and it can be anywhere you want ——RVs, boats, campers. Enjoy the solar off-grid system at BougeRV!
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Key Features

  • Notice: the products are including 2x 200W 12V 9BB Mono Solar Panel!!!
  • High-level 9BB Cell Design has a 22.8% Highest Conversion Rate: 9BB Cell Design. More Busbar, More Power. BougeRV 400W solar panel uses the high-level 9BB cell design which has a 22.8% highest conversion rate. Increase the cell receiving surface, thinner ribbon reduces the covered area by 22%. Also, it can charge a 12V battery or charge a 24/48V battery by wiring several solar panels in series.
  • Made of Class A Solar Cell: No visible defects and any microcracks, BougeRV 400 watts solar panel passes the strict EL test. While other class B and C cells will have obvious cracks. The grade of the cell determines the actual output of the solar panel. It’s water-proof and dust-proof.
  • Compact Design, More Power:  Compared to other 400W solar panels, BougeRV 9BB 400W solar panel is about 8% smaller but it could power the same or even more, which allows you to install the solar panel on the limited roof of the RV/VAN/Trailer, so you can get more power in the limited space. Otherwise, our 400W solar panel is combined with two 200W solar panels. And more than 400W of electricity is obtained through series and parallel connection.
  • Wide Application:  The wide-use panel is suit for many applications that small footprint permit only, making it a favorite choice for RVs, campers, and more. The appropriate 400W power makes it more suitable for more outdoor scenes. 
  • Warranty. 1-on-1 Solar Solution by BougeRV Tech Support & Warm-heart Warranty. BougeRV promises an 18-month product warranty and 25 - years power warranty and lifetime warm-hearted service for you. Please contact us whenever you have any problems with BougeRV solar panels. We will provide you with a professional guide to building a solar system.


It can withstand high wind (2400 Pa) and snow loads (5400 Pa), suitable for cold and complex outdoor environments.

95% Light Transmittance

95% light transmittance allows more sunlight to enter, reducing consumption.

Easy Installation

Pre-drilled holes on the back of the panel allow you to quickly install solar panels without using heavy tools.