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Best Semi-Flexible Solar Panels UK: 7 Flexible Solar Panels for Boats, RVs, and Trailers

Semi-flexible solar panels are perfect portable power solutions. As they are able to bend a little bit compared to their glass-and-metal alternatives, you can easily mount them over different curved surfaces like a deck or an RV roof. Here is our list of the best semi-flexible solar panels UK to offer you unlimited solar power on-the-go.

Though flexible in nature, these solar panels are never fragile, of course. They are quite tougher and you can even walk on them with no worry of breaking. Some models also highlight anti-corrosive lamination so that they can resist the aggressive saltwater and other tough conditions out in the sea.

Well, semi-flexible solar panels are suitable for commercial applications, yachts, vessels, and more. You can stick them on the curved surfaces with adhesive to connect your power system to solar power. Our list will surely help you go for a suitable semi-flexible solar charger in the UK market.

Best Semi-Flexible Solar Panels UK

Flexible solar panels are like any regular solar panels. But they have ultra-thin solar cells for increased flexibility. Interestingly, compared to the standard silicon solar panels, the flexible ones are 300 times thinner in design. That is, you get highly lightweight panels, but they are still very durable and stronger, however.

Several brands offer semi-flexible solar panels in the UK in various sizes. We would like to check out some of the most selling ones here. So, you can find the best one that matches your needs and budget. You can use these flexible solar panels in any off-grid applications, where you need thin and lightweight solar panels.

1. SunStore 20W Ultra-Thin Mono Solar Panel

We would like to start the list with an entry-level, low-power semi-flexible solar panel. As its title says, it is a 20W 12V thin-film mono solar panel with a size of 355 mm x 450 mm. As you see, the product is ideal for marine use, motorhomes, RVs, and trailers.

You get the lightweight and ultra-thin solar panel in a sturdy profile. With no use of the glass or metal, it is indeed a bendable solar panel. So, you can easily mount it somewhere with a curved surface like an RV roof, boat deck, or a wheelhouse. Check out its latest price on the link below.


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Well, the solar charger is equipped with negative and positive tails terminating in MC4 connectors. It makes you quickly connect it with a battery and start storing solar energy for unlimited off-grid power. The PV panel features an open circuit voltage of 21.3V and a short circuit power of 1.21A with a power allowance range of 3%.

The brand offers a one-year warranty for the entry-level semi-flexible solar charger. Overall, you get a small solar charger, which is quite enough to recharge a small battery pack for a variety of your applications.

Notable Features

  • 20W Entry-Level Semi-Flexible Solar Panel.
  • Ideal for Curved Surfaces Like Deck, RV Roof.
  • Made of Quality, Durable Materials for Long Life. 
  • Positive and Negative Tails with MC4 Connectors.

2. SunStore 60W Ultra-Thin Mono Solar Panel

The next one on our list of the best semi-flexible solar panels UK is actually a 60-watt variant of the above model. Besides its high solar output, it is exactly the same panel in a size of 790 × 510 mm. It is also a good choice for a variety of applications like marine, motorhome, RV, and caravans.

Having a strong and sturdy profile, it is a highly durable semi-flexible solar panel with more solar power output. It also comes with solar wires and MC4 connectors. So, you can neatly fix it on the top of your RV roof, boat deck, or a wheelhouse, and enjoy access to unlimited off-grid power for a longer time.


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With a peak power of 60W, the SunStore solar panel has an open circuit voltage of 21.3V and short circuit power of 3.64A. You will get a maximum power voltage of 17.8V and a maximum current of 3.73A with the solar panel. Check out the link above for its latest price on SunStore.co.uk.

Notable Features

  • 60-Watt Semi-Flexible Solar Panel.
  • Good for Curved Surfaces Like Deck, RV Top. 
  • Made of Quality, Durable Materials for Long Life. 
  • Positive and Negative Tails with MC4 Connectors.

3. SunStore Lucis 100W TPT A Series Thin Solar Panel

Here is another brilliant semi-flexible solar panel in the UK market. As you see, it is a 100-watt TPT solar charger with a lightweight and portable profile. Of course, it is a highly efficient solar panel and so is a superb option for marine applications, boats, campers, RVs, and more.

Thanks to its higher solar conversion rate, it offers you fast charging times for the compatible 12V solar battery. That is how it comes out to be one of the best semi-flexible solar panels for various applications. Check out its latest price on the link below at SunStore.co.uk.


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The panel is indeed able to deliver a maximum system withstand voltage of 100DV. Meanwhile, it comes with two types of optional junction boxes so that you get a cool way to recharge your batteries in off-grid situations. Made with durable materials, you can use it confidently in rough outdoor conditions with no worry, at all.

Notable Features

  • 100-Watt TPT Semi-Flexible Solar Panel. 
  • Highly Recommended for Marine Applications.
  • Lightweight and Highly Portable Solar Panel.
  • Perfect for Boats, RVs, Trailers, and Campers.

4. Renogy 100W Flexible Solar Panel

Next, we have Renogy’s famous 100W solar panel as the next model on our list of the best semi-flexible solar panels UK. It is an extremely flexible solar panel that can be bent up to 248 degrees So, you can conveniently mount it on various surfaces, where the traditional metal and glass panels won’t sit handily.

Along with its flexible profile, the solar panel is highly durable and solid. It can endure an extreme wind of up to 2400 Pa and bear a snow load of up to 5400 Pa. Also, compared to a traditional metal and glass solar panel, it weighs 70% less and so you can easily manage it in the wild.

The Renogy solar panel has an optimal operating voltage of 18.9V and an operating current of 5.29A. Meanwhile, its open-circuit voltage is 22.5V, and the short-circuit current is 5.75A. It has a size of 121.67 x 53.34 x 0.2 cm and a weight of 1.8 kg, making it a perfect choice for various outdoor and off-grid applications.

Notable Features

  • 100-Watt Ultra-Thin Flexible Solar Panel.
  • Extremely Flexible Up to 248 Degrees.
  • Ultra Lightweight and Portable Solar Panel.
  • Highly Recommended for Marine Applications.
  • Perfect for Boats, RVs, Trailers, and Campers.

5. SunPower 110W Mono Semi-Flexible Solar Panel

Next, we have SunPower’s famous 110W mono semi-flexible solar panel in the UK market. SunPower is famous for its collection of highly lightweight and flexible solar panels. Its powerful 110W flexible solar panel is indeed a perfect choice for your next adventure as it will sit ideally over your boats, motorhomes, RVs, and more.

Obviously, it is made with SunPower’s highly efficient mono solar cells. And all the other materials used are highly durable and resistant to the changes in various climatic conditions. With a weight of 2 kg, the solar panel has a size of 1165 x 556 x 20 mm and it comes with a junction box. Check out its latest price on the link below.


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Well, like all similar semi-flexible solar panels, you can set up the SunPower product with adhesive or using steel grommets. As the solar panel comes up with standard quick connect solar cables and connectors, you can easily connect it to your power system and enjoy access to solar power.

It is actually one of the variants of SunPower’s wide range of flexible solar panels. Fine, the brand offers its high quality ultra-thin solar panels in many other power options. By the way, this product offers you a 5-year warranty so you can buy it with no hesitation for your off-grid power systems and adventures.

Notable Features

  • 110W Ultra-Thin, Flexible Solar Panel.
  • Powerful SunPower Mono Solar Charger. 
  • Highly Durable and Resistant to Rough Weather. 
  • Easy and Low-Cost Installation Possible.
  • Perfect for Motorhomes, RVs, and Boats. 

6. Solara M-Series 80W Semi-Flexible Solar Panel

The next one on our list of the best semi-flexible solar panels in the UK is an advanced, high-yield 80-watt solar panel. As a bendable solar panel, it is a perfect choice for mounting over boats, RVs, trailers, and more. You can mount the panel anywhere with adhesive or screws quite neatly.

Its surface is uniquely dimpled so that it enjoys dual advantages. First, it gets a “prismatic effect” that makes it refract the light from various angles onto the cells. Second, dimpling makes its surface non-slippery. Check out the link below for its latest price.


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It is made of 41 high-performance crystalline solar cells that can certainly offer you the most out of the sun. The advanced shock-and-impact resistant surface, as well as water-resistant lamination, guarantees more life for the solar panel even in rough weather conditions.

The solar panel as a daily output capacity of 320W in the summertime with a rated voltage of 21.81V. When it comes to the size, the flexible solar panel measures at 798 x 695 x 3 mm, and it has a weight of 3.7 kg.

Notable Features

  • Advanced, High-Yield 80W Flexible Solar Panel. 
  • Made of 41 High-Performance Crystalline Cells. 
  • Featuring a Unique Dimpled Surface.
  • Seawater Resistant and Weatherproof Panel. 
  • Perfect for Motorhomes, RVs, and Boats.

7. Solara M-Series 140W Semi-Flexible Solar Panel

It is a 140-watt powerful variant of Solara thin-film semi-flexible solar panels. With the dimensions of 1500 x 543 x 3 mm, and a weight of 5.2 kg, it is indeed a highly reliable solar panel. You can use it to power up battery packs in your boats, RVs, campers, motorhomes, and more.

Like its other variants, this model also features a dimpled solar surface to ensure the prismatic effect and a non-slippery profile. You can mount it anywhere easily with adhesive or screws. That is a very simple process as you can bend it to some extent for easy installation. Check out its latest price on the link below.

Solara M-Series 140W Semi-Flexible Solar Panel

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The solar panel is highly durable and weather-proof. Featuring Teflon-like protective film on both front and back, it is absolutely one of the durable semi-flexible solar panels out there. Plus, it can deliver you high-yield power as it is crafted with high-performance solar cells.

Moreover, it can perform quite well in low-light conditions, too. Hence, even under a cloudy sky, you can ensure a decent solar power production with the solar panel. That makes it one of the most reliable flexible solar panels for all your off-grid and other power needs.

Notable Features

  • Advanced, High-Yield 140W Flexible Solar Panel. 
  • Crafted With 43 High-Performance Crystalline Cells. 
  • Having an Innovative Dimpled Surface.
  • Seawater Resistant and Weatherproof Panel. 
  • Perfect for Motorhomes, RVs, and Boats.

Final Thoughts

That has been our list of the best semi-flexible solar panels UK. We have tried out to bring to you some of the best solar panels with a semi-flexible profile. So, it will be a nice way for you to easily pick a model that meets your needs and budget. We would like to update the article with more models later as we come across more interesting solar panels. Share your thoughts about the list in the comments.

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