Round Solar Panel | 20W 18V

WSL Solar’s 20W 18V round solar panel is built with the latest most efficient 5BB monocrystalline solar cell (>21% efficiency). It is laminated by tempered glass, which is durable and robust.

This custom solar panel is ideal for use in off grid applications such as solar powered LED lighting, solar attic fan, small solar powered system etc.


– With latest high efficiency 5BB monocrystalline solar cell (>21% efficiency)

– Positive power tolerance

– Tempered glass laminated, high transmission, durable & robust

– Withstanding challenging environmental conditions

– Waterproof, scratch resistant & UV resistant

– Excellent performance under low light environments

Solar panel size: D=490mm*4.5mm

WSL Solar has been a quality and professional manufacturer of customized solar panels and solar solution provider in China since 2006.