Size:100W Flexible ***Note: the junction box of the original solar panel was square, & now it is rectangular. There are no changes to the old & new solar panel functions. The old & new solar panels will be sold at random.***perfect for marine use or on top of a Van, the Renogy 100W lightweight solar panel is thin & can easily flexup to 248Â°. at 4 lb, this solar panel weighs just a fourth of its standard counterpart’s weight. Highly flexible, this lightweight panel can easily be installed on curved surfaces & be used to power various applications such as a boat or teardrop trailer.