Is panel in question the 200W/15lb model or the 28W/1.5lb model?
https://bigblue-tech.com/products/28...-solar-charger
The 200W version is 7ft by 2 ft unfolded. The 28W version is 3ft by 1 ft unfolded. In addition to weight and power, the logistics of attaching will be different depending on size ...
Maybe the OP will be kind enough to show us what he talking about. Details definitely matter.