As the name suggests, flexible solar panels can bend, while rigid ones are stiff to the touch. Traditional solar panels are constructed with a rigid aluminium case and covered with durable tempered glass, allowing light through and protecting the photovoltaic cells inside. These framing materials create a long-lasting. Flexible panels are useful for applications such as boating, motorhomes, and campers and outdoor activities like hiking and camping where occasional power is needed. Read on to learn. Made with sturdy tempered glass and protected by anodised aluminium frames, rigid solar panels are best for permanent installations. Let's look at their advantages: Flexible, rigid, and portable solar panels all have their unique benefits. Which option is best for you all depends on your use case. Carefully consider when. If you own a motorhome or campervan, you likely want to maximise your power production by fitting as many highly-efficient solar panels on.