RV Solar Panels: A Complete Guide

If you are interested in solar panels for your RV, you came to the right place. This in-depth guide has everything you need to know. If you are in a hurry, skip to the section that interests you.

Have you ever been camping and wished you had a little more power to run your gadgets and appliances? Or have you ever found yourself stranded at a campsite without any hookups for your RV? If so, then you might want to consider investing in a solar panel system for your recreational vehicle.

Solar panels for RVs are a great way to stay powered up on the go, without having to rely on campsite electricity or running your generator. Not only do they provide a convenient and eco-friendly source of energy, but they can also save you money in the long run.

In this article, we’ll delve into the world of RV solar panels and give you all the information you need to make an informed decision about whether they’re right for you. We’ll cover topics like how to choose the right system, how to install solar panels on your RV, and how to get the most out of your solar setup. Plus, we’ll throw in a few fun anecdotes and tips along the way to make the journey more enjoyable.

So if you’re ready to join the solar-powered RV revolution, buckle up and let’s get started!

What are RV solar panels?

Solar panels are essentially devices that convert sunlight into electricity. They consist of photovoltaic (PV) cells, which are made of semiconductor materials like silicone. When sunlight hits the PV cells, it causes the electrons in the silicone to become excited and move around. This movement of electrons generates an electrical current, which can be captured and used to power your RV’s electrical systems.

There are several different types of solar panels available on the market, each with its own unique characteristics. Some of the most common types are:

Monocrystalline solar panels

Monocrystalline solar panels are made from a single, continuous crystal of silicone. They are known for their high efficiency, meaning they can convert a large percentage of the sunlight that hits them into electricity. They are also quite durable and have a long lifespan, but they can be more expensive than other types of panels.

Polycrystalline solar panels

Polycrystalline solar panels are made from multiple smaller crystals of silicone. They are less efficient than monocrystalline panels, but they are also less expensive. They are a good option for RVers who want to save money on their solar panel setup.

Thin film solar panels

Thin film solar panels are made from a thin layer of photovoltaic material applied to a substrate. They are generally less efficient than monocrystalline and polycrystalline panels, but they are also lighter and more flexible. This makes them a good choice for RVs with limited space or weight restrictions.

Now that you know a little bit about the different types of solar panels, let’s talk about why they might be a good fit for your RV. One of the biggest benefits of using solar panels for your RV is the independence they provide.

With a solar panel system, you can power your RV without having to rely on campsite hookups or a generator. This can be especially useful if you like to camp in remote locations or if you want to reduce your carbon footprint.

In addition to providing energy independence, solar panels can also save you money in the long run. If you’re an avid RVer, you know that campsite electricity can add up quickly. By using solar panels to power your RV, you can avoid paying for campsite electricity and save some cash in the process.

Overall, solar panels for RVs offer a convenient and cost-effective way to stay powered up on the go. Whether you’re a full-time RVer or just enjoy the occasional weekend camping trip, they’re worth considering as a way to enhance your RVing experience.

If you are more of a visual learner, check this great video below out:

How do RV solar panels work?

Now that you know what solar panels are and the different types available, let’s talk about how they work to power your RV.

When sunlight hits the PV cells on a solar panel, it causes the electrons in the silicone to become excited and move around, as we mentioned earlier. This movement of electrons generates an electrical current, which is then captured and sent to an inverter.

The inverter is an important component of a solar panel system, as it converts the direct current (DC) electricity produced by the solar panels into alternating current (AC) electricity, which is what your RV’s electrical appliances and devices are designed to use.

Once the DC electricity is converted to AC electricity by the inverter, it can be used to power your RV’s electrical systems in the same way that campsite electricity or a generator would. The excess electricity that is not used is usually stored in batteries for later use.

Speaking of batteries, they are another necessary component of an RV solar panel system. When the solar panels are generating more electricity than the RV is using, the excess electricity is sent to the batteries, where it is stored until it is needed. When the RV is using more electricity than the solar panels are producing (e.g., at night or on a cloudy day), the batteries can provide the necessary power.

To ensure that the batteries are not overcharged or drained, a device called a charge controller is often used. The charge controller monitors the battery’s state of charge and regulates the flow of electricity between the solar panels and the batteries.

That’s a basic overview of how solar panels work to power your RV. As you can see, it’s a fairly simple process, but there are a few important components that make it all possible. With a little bit of knowledge and some basic maintenance, you can enjoy the benefits of solar power while RVing.

How To Know How Many Solar Panels You Need For Your RV

So you’re convinced that solar panels are the way to go for your RV, but how do you know how many you need? Well, there are a few factors to consider when determining the size of your solar panel system.

Size of the RV

The size of your RV is an important factor to consider when choosing solar panels. Larger RVs typically have more electrical appliances and devices that need to be powered, so they will require more solar panels to meet their energy needs. On the other hand, smaller RVs may be able to get by with fewer panels.

Desired level of power

The amount of power you need will also influence the number of solar panels you need. If you’re just looking to power a few small appliances and gadgets, you may be able to get by with fewer panels. However, if you want to run multiple appliances simultaneously or power larger devices like an air conditioner, you’ll need more panels to meet your energy needs.

Amount of sun exposure

The amount of sun exposure your RV gets is another important factor to consider. If you typically camp in sunny locations, you’ll be able to generate more electricity from your solar panels, which may allow you to get by with fewer panels. On the other hand, if you frequently camp in shadier spots, you’ll need more panels to compensate for the reduced sunlight.

With these factors in mind, you can use the following formula to get an estimate of the number of solar panels you need:

You can calculate the number of solar panels needed (P) by using the following equation:

P = (hourly energy requirement * peak sunlight hours) / panel wattage

It’s always a good idea to consult with a professional or use online tools to get a more accurate idea of your specific needs.

RV solar system components

Now that you know how solar panels work to power your RV, let’s take a closer look at the components that make up an RV solar panel system.

Solar panels

The solar panels are the most visible part of the system and are typically mounted on the roof of the RV. They consist of photovoltaic cells that convert sunlight into electricity, as we discussed earlier. There are several different types of solar panels to choose from, each with its own unique characteristics (e.g., monocrystalline, polycrystalline, thin film).

Charge controller

The charge controller is a device that regulates the flow of electricity between the solar panels and the batteries. It monitors the battery’s state of charge and ensures that the batteries are not overcharged or drained. This helps to protect the batteries and ensure that they have a long lifespan.

Inverter

The inverter is a device that converts the direct current (DC) electricity produced by the solar panels into alternating current (AC) electricity, which is what your RV’s electrical appliances and devices are designed to use. Without an inverter, your solar panels would not be able to power your RV’s electrical systems.

Batteries

Batteries are an essential component of an RV solar panel system, as they store the excess electricity produced by the solar panels for later use. When the RV is using more electricity than the solar panels are producing (e.g., at night or on a cloudy day), the batteries provide the necessary power. There are several different types of batteries to choose from, including lead-acid, lithium-ion, and AGM (absorbed glass mat).

Optional components

There are a few optional components that you may want to consider adding to your RV solar panel system. One such component is a monitoring system, which allows you to track the performance of your solar panel system in real-time. This can be useful for diagnosing any issues and optimizing the system’s performance.

Another optional component is a backup generator. While a solar panel system is a great way to stay powered up on the go, there may be times when you need to use a generator for additional power. For example, if you’re running multiple appliances simultaneously or if you’re in a location with extended periods of cloudy weather, a generator can provide the extra power you need.

How to hook up solar panels to RV batteries

So you’ve got your solar panels and all the necessary components, and you’re ready to hook everything up. But where do you start? Here is a step-by-step guide for connecting solar panels to your RV’s batteries:

Step 1: Gather your tools and materials

Before you start, make sure you have all the tools and materials you’ll need. You’ll need a drill and screws for mounting the panels to the roof, wire strippers for stripping the ends of the wires, wire connectors for attaching the wires to the charge controller and inverter, and a voltage meter for testing the connections. You may also need sealant to seal around the mounting holes to prevent leaks.

Step 2: Choose a location for the panels

Next, you’ll need to choose a location for the panels. The roof is the most common location, as it provides maximum sun exposure. However, you may also be able to mount the panels on a ladder or the side of the RV if space is limited. Just be sure to choose a location that gets plenty of sun and is easily accessible for maintenance.

Step 3: Mount the panels

Once you’ve chosen a location for the panels, it’s time to mount them. First, mark the locations for the mounting holes on the roof. Then, drill the holes and attach the panels to the roof using screws. Be sure to use sealant around the mounting holes to prevent leaks.

Step 4: Connect the panels to the charge controller

Once the panels are mounted, it’s time to connect them to the charge controller. First, strip the ends of the wires coming from the panels. Then, attach the positive wire to the positive terminal on the charge controller and the negative wire to the negative terminal. Be sure to follow the manufacturer’s instructions for your specific charge controller.

Step 5: Connect the charge controller to the inverter

Next, you’ll need to connect the charge controller to the inverter. Again, strip the ends of the wires and attach them to the appropriate terminals on the inverter. The positive wire from the charge controller should be connected to the positive terminal on the inverter, and the negative wire should be connected to the negative terminal.

Step 6: Connect the inverter to the batteries

Finally, you’ll need to connect the inverter to the batteries. First, turn off all electrical appliances and devices in the RV. Then, attach the positive wire from the inverter to the positive terminal on the batteries and the negative wire to the negative terminal. Be sure to use wire connectors to secure the connections.

Step 7: Test the system

Once everything is connected, it’s a good idea to test the system to make sure it’s working properly. You can do this by turning on a few electrical appliances and devices and monitoring the voltage with a voltage meter. The voltage should be within the acceptable range for your specific appliances and devices.

Safety considerations

While connecting solar panels to your RV’s batteries is a relatively simple process, it’s important to take a few safety precautions. First and foremost, be sure to follow the manufacturer’s instructions for your specific panels, charge controller, and inverter. Also, be sure to wear protective gear, such as gloves and safety glasses, to prevent injury.

Finally, be sure to turn off all electrical appliances and devices before connecting or disconnecting any wires. This will help to prevent any accidental shocks or short circuits.

It’s also a good idea to have a fire extinguisher on hand in case of an emergency. While solar panel fires are rare, they can occur due to damaged or malfunctioning components. By having a fire extinguisher nearby, you’ll be prepared to handle any unexpected situations.

How Much Does It Cost for A RV Solar Panel System?

If you’re considering adding solar power to your RV, you may be wondering how much it will cost and which components you’ll need. The good news is that there are options available at a variety of price points, whether you’re a frequent traveler or just an occasional adventurer.

Occasional RVers (under $1000)

If you’re just looking for a basic setup to power a few small appliances and devices, you can find affordable options for under $1000. These systems may include a small number of solar panels, a charge controller, and a few batteries. While they may not be sufficient for running larger appliances or powering your RV for extended periods, they can be a good choice for infrequent use.

Regular RVers ($1000-$3000)

For those who hit the road more frequently, a mid-range system in the $1000-$3000 price range may be a good fit. These systems may include more solar panels and batteries, as well as additional components such as an inverter and a monitoring system. These systems should be sufficient for powering most appliances and devices, but may not have the capacity for extended dry camping.

Full-Time RVers ($3000+)

If you’re a full-time RVer, you’ll likely need a more robust solar panel system to meet your power needs. These systems may cost $3000 or more and may include a larger number of solar panels, a more powerful charge controller and inverter, and additional batteries. These systems should be sufficient for extended dry camping and powering most appliances and devices.

Top brands in the RV solar panel industry and reviews

When it comes to choosing solar panels for your RV, there are plenty of options to choose from. To help you narrow down the choices, here are some top brands in the RV solar panel market and their products:

Renogy

Renogy is a leading manufacturer of solar panels for RVs and other off-grid applications. Their product line includes monocrystalline, polycrystalline, and thin film panels in a variety of sizes and wattages. They also offer a range of other solar panel system components, including charge controllers, inverters, and batteries.

According to customer reviews, Renogy’s solar panels are known for their high efficiency and durability. Many customers report that they have been using Renogy panels for several years without any issues.

TO SHOP RENOGY, CLICK HERE.

Goal Zero

Goal Zero is another popular brand in the RV solar panel market. They offer a range of portable and roof-mounted panels, as well as complete solar panel kits. In addition to solar panels, they also offer a range of other portable power products, including power banks, chargers, and lanterns.

Goal Zero is known for their innovative products and customer-friendly policies. Many customers appreciate the brand’s commitment to sustainability and their 30-day return policy.

TO SHOP GOAL ZERO PRODUCTS, CLICK HERE.

Sunforce

Sunforce is a well-respected brand in the RV solar panel market, known for their high-quality products and competitive pricing. They offer a range of solar panel kits and individual panels in various sizes and wattages. They also offer a range of other solar power products, including charge controllers, inverters, and batteries.

According to customer reviews, Sunforce’s solar panels are reliable and easy to install. Many customers appreciate the brand’s customer service and the wide range of products available.

TO SHOP SUNFORCE SOLAR PANELS, CLICK HERE.

Why consider installing RV solar panels?

If you’re an avid RVer, you know that being able to power your home on wheels is crucial. While you could rely on campground hookups for electricity, there are several reasons why you might want to consider installing RV solar panels:

Independence from campground hookups

One of the biggest benefits of RV solar panels is the independence they provide. With a solar panel system, you can generate your own electricity and not have to rely on campground hookups. This can be particularly useful if you like to boondock (camp without hookups) or if you’re traveling to remote locations.

Reduced carbon footprint

Another reason to consider RV solar panels is their environmental benefits. Solar energy is a clean, renewable energy source that does not produce any greenhouse gases or other pollutants. By using solar panels to power your RV, you can reduce your carbon footprint and do your part to protect the planet.

Cost savings

In addition to the environmental benefits, using solar panels can also help you save money on your RVing adventures. Instead of paying for campsite electricity, you can generate your own power for free using the sun’s energy. This can add up to significant savings over time.

Other benefits

There are many other reasons to consider RV solar panels. For example, solar panels can help power electronic devices and appliances, such as laptops, TVs, and refrigerators. They can also be used to charge batteries for other devices, such as phones and tablets. Plus, solar panels can be a great backup power source in case of an emergency.

How to choose the right RV solar panel system

When it comes to choosing an RV solar panel system, there are a few things to consider. Here are some factors to keep in mind:

Type of solar panel system

One of the first things you’ll need to decide is whether you want a portable or permanent solar panel system. Portable solar panel systems are smaller and lighter, making them easy to transport and store. They are also typically less expensive than permanent systems. However, they may not generate as much power as permanent systems.

Permanent solar panel systems are larger and more powerful, but they are also more expensive and more difficult to install. They are typically mounted on the roof of the RV and wired directly into the electrical system.

Type of solar panels

Another factor to consider is the type of solar panels you want. There are two main types of solar panels: monocrystalline and polycrystalline. Monocrystalline panels are made from a single crystal of silicon and are generally more efficient than polycrystalline panels, which are made from multiple crystals. However, monocrystalline panels are also more expensive.

Thin film solar panels are another option, but they are generally less efficient than monocrystalline or polycrystalline panels.

Size and weight of the panel

The size and weight of the solar panels are also important factors to consider. You’ll need to choose panels that are suitable for your RV’s roof and can withstand the weight of the panels. You’ll also need to consider the space available for storing the panels when they are not in use.

Compatibility with the RV’s electrical system

It’s also important to make sure that the solar panel system is compatible with your RV’s electrical system. This means choosing panels and components that are suitable for the voltage and current of your electrical system. Be sure to consult with a professional or refer to the manufacturer’s guidelines to ensure compatibility.

Budget

Solar panel systems can range in price from a few hundred dollars for a small, portable system to several thousand dollars for a large, permanent system. Be sure to set a budget beforehand and stick to it as you shop around. It’s also a good idea to shop around and compare prices from multiple suppliers to get the best deal.

Tips for researching and comparing different solar panel options

Here are a few tips for researching and comparing different solar panel options:

• Read reviews: One of the best ways to get a sense of the quality and performance of different solar panels is to read customer reviews. Look for reviews from other RVers who have used the panels and pay attention to any common issues or complaints.
• Ask for recommendations: If you know other RVers who have solar panel systems, don’t be afraid to ask for their recommendations. They may be able to provide valuable insights and help you avoid any potential pitfalls.
• Consult with a professional: It’s always a good idea to consult with a professional when choosing an RV solar panel system. A professional can help you determine the best size and type of system for your RV and ensure that it is properly installed.

Conclusion: The solar-powered RV dream is within reach!

RV solar panels are a game-changer for the road-tripping community. No longer do you have to worry about finding a campground with hookups or shelling out for pricey electricity fees. With solar panels, you can embrace your inner rugged adventurer and go off the grid with confidence. Plus, you’ll be doing your part to reduce your carbon footprint and save the planet (while saving some cash in the process).

Choosing the right solar panel system for your RV can feel like a daunting task, but it doesn’t have to be. Just remember to consider the type of panels, size and weight, compatibility with your RV’s electrical system, and your budget. And if you’re still feeling unsure, don’t be afraid to ask for help from a professional or other RV-savvy friends.

Before you know it, you’ll be singing the praises of solar energy and enjoying the freedom of the open road. Happy travels!