Solar Panels for Motorhomes – Everything you Need to Know

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It’s an exciting time for the development of solar energy technology. Modern solar panels for motorhomes are designed to be more compact and smarter than their bulkier counterparts. As a result, solar panels are more accessible to a broader audience than ever and are more adaptable in almost any situation.

Motorhome solar panels have really taken off over the last few years, so the technology is constantly improving. Although they do have their downsides, depending on whether they’re mounted or portable. We’ll explore what motorhome solar panels are, whether they’re a worthy investment, and also check out the pros and cons of solar panels for motorhomes.

Take clean, green energy with you on your next road trip.

What are Solar Panels?

To start, it’s a good idea to get familiar with what solar panels are. Solar panels are essentially flat panels filled with solar cells that soak in the energy from the sun. This energy is then transformed into electricity that can be used to power homes, institutions, factories —  and even a motorhome. 

They are usually fixed to a rooftop to maximise the chances of capturing the sun’s rays from sunrise until sunset.

A Brief History of Solar Panels

The first known records of the invention of solar energy began in 1839 when scientist Alexandre Edmond Becquerel discovered the photovoltaic effect. This is a process in which a layer of semiconductor materials produces an electric current when sunlight beams onto them. 

In the 1950s, it was discovered that silicon can be effectively utilised as a semiconductor material for solar panels to absorb solar radiation to create electricity.

Subsequently, technology has advanced, and there are now two main types of solar panels: monocrystalline solar panels and polycrystalline solar panels.

What are Solar Panels for Motorhomes?

Thanks to technological advancements, you can use solar panels on the go for your motorhome or campervan.

They pretty much work the same way a residential solar installation operates. They capture light from the sun and convert it into electricity. 

You can buy portable solar panels for motorhomes that are simple to set up. Or you can choose small-scale, flexible solar panels made specially to be fixed to a vehicle rooftop.

Components for Fixed Solar Panels

There are many bits and pieces needed for fixed solar panels. Below is a breakdown of what’s required for a static motorhome solar setup:

Charger controller

Stops your motorhome solar system from overcharging.

Solar batteries

Lead-acid, gel, or lithium batteries to store power. 

DC/AC inverter

Converts DC into AC electricity.

Wires and cables

To hook up all your equipment together.

Racking/mounting equipment

Attaches panels to the rooftop of your vehicle.

Are Solar Panels for a Motorhome Worth it?

Certainly, an off-grid solar system is an eco-friendly and cost-effective way of maintaining power whenever you need it.

A roof-mounted solar system for a motorhome is great for those travelling extensively on the road each year.

Conversely, for part-time travellers who go off-grid, say, every other weekend or for a couple of weeks each year, roof-mounted solar may not be viable and could cost more in the long term. In this case, a portable solar setup would be a much more suitable option.

How Many Solar Panels Do I Need to Run my Motorhome?

How many panels are needed for your motorhome or van depends on your electricity usage.

Think about your lifestyle when you go off-grid. Do you spend time as a photographer using heavy-duty cameras, drone equipment, and a laptop to edit your work? Or are you a foodie who loves to cook using an electric hotplate and blender? Perhaps you only need a couple of lights on and smartphones charged?

To determine how many solar panels you need for your motorhome, journal your power usage in wH. Make a note of the watts of each appliance you and your family/friends use and the average daily usage in hours. 

To determine how much power your appliances draw each day, you need to find the watt-hours used for each one. To calculate, simply multiply watts by the hours of usage:

Wh = (W x Hrs)

An example of one person’s usage living day to day in a motorhome would look like this:

AppliancePower in watts (W)Average Time of Use (Hours)Total Daily Power Usage in watt-hours (Wh)
Lightbulb100W5500Wh
Phone Charger6W212Wh
Motorhome Refrigerator200W244,800Wh
Electric Hotplate1,200W1.21,440Wh

Determine how many solar panels are needed for a motorhome by totalling the number of watt-hours you use per day.

Usually, motorhome solar panels vary between 100 – 400 watts of power. For example, a 400W solar panel charging for 5 hours in the daytime would convert sunlight into 2,000Wh of charge for your gear each day. Double the panels up, and you have double the watt-hours.

Looking at the table above, solar energy is perfect for charging smaller appliances like lights, mobile phones, and even a hot plate. Yet it would struggle to charge up a refrigerator for a whole day. 

Pros and Cons of Fixed Motorhome Solar Panels 

There are both advantages and disadvantages to mounted solar panels. Let’s weigh these up:

ProsCons
– Harness clean, green energy from the sun.- No need to worry about finding a powered campground- Power up your home comforts wherever you go
– Cheaper power in the long term.
– Can be expensive if you’re not a frequent road tripper – Batteries, controllers, and DC/AC inverters must be hooked up to the motorhome. – Fussy to set up (drilling holes, mounting, etc.)- Not portable – wired up for motorhome power only

EcoFlow Solar Power Systems for Your Motorhome

As an alternative to fixed solar panels for motorhomes, EcoFlow has an efficient solution. EcoFlow portable power stations and solar panels have all the advantages of static solar panels, without the disadvantages.

Portable and Packable

Unlike static solar panels, the EcoFlow DELTA and River range and portable solar panels are transportable and easy to set up. This solar ecosystem powers your devices without the constraints of a fixed and wired-up electrical system. They come in a range of capacities and watts to suit your off-grid lifestyle, whatever your electricity usage.

The beauty of using an EcoFlow solar power system is that you can harness solar power within a small space.

What’s more, during the times you’re not travelling, the EcoFlow solar suite can also double up as an emergency power source for the home whenever there’s a blackout. It can even be utilised to lower your energy bills. How convenient is that?

Choose a Solar Set up to Suit your Lifestyle

After calculating your and/or your family’s daily watt-hour usage, you can figure out which DELTA or River power station and the number of solar panels is most suited to your needs.

Below is a handy table demonstrating the supporting solar input for each portable power station and the number of solar panels needed for each unit according to their solar input.

EcoFlow 60W Solar PanelEcoFlow 110W Solar PanelEcoFlow 160W Solar PanelEcoFlow 220W Bifacial Solar PanelEcoFlow 400W Solar Panel
EcoFlow DELTA mini (Solar input 300w)5 panels3 panels2 panels
EcoFlow DELTA (Solar input 400W)4 panels3 panels
2 panels

1 panel
EcoFlow DELTA Max (Solar input 800W)5 panels2 panels2 panels
EcoFlow River Pro (Solar input 200W)3 panels2 panels
1 panel

After journaling and referring to the table provided above, you should be able to make a much more informed and considered decision of which portable solar suite to choose that works in tandem with your lifestyle.

Additionally, a portable solar ecosystem is simple. It saves you the hassle of drilling, mounting, and hooking up an entire electrical system. Especially helpful if you’re not an electrician or engineer!

Portable solar panels for RV set up

The EcoFlow portable solar ecosystem is easy to set up and can be placed anywhere. For instance, you can park your motorhome anywhere in the shade (where it’s most desirable on a hot sunny day) and fold out your portable solar panels anywhere there is sunlight. Enjoy the scenery while your power station charges to full capacity.

EcoFlow solar panels and portable power stations integrate solar power for camper or RV

Afterwards, you can pack up your panels, stow them away effortlessly and charge your appliances using your EcoFlow portable power station.

Ecoflow Power Kits – The All-New Solution to Off-Grid Power

If you’re looking for a more permanent setup compared to portable power stations, EcoFlow’s new Power Kits reinvent the traditional motorhome solar panel system. They combine batteries and solar panels with the “Power Hub,” which combines chargers, solar controllers, and more into a 5-in-1 solution — saving you space and time setting up. 

For the trade-off in portability, you get a baked-in solution designed specifically for your vehicle that’s easy to expand or contract to your needs.

power system for rv

The Bottom Line

Overall, installing static solar power for a motorhome or campervan can come with many hurdles. Specifically, mounting, drilling holes, expenses, and multiple components are a few examples. If you spend most of the year living in your motorhome or campervan, then permanent solar panels may be ideal and a worthwhile investment in the long run.

However, if you’re a part-time off-grid traveller journeying for frequent weekend breaks or the odd two-week-long trips each year, then an EcoFlow solar suite with the correct solar input and capacity for your needs would be more tailored to you.Interested in diving deeper into the portable solar panel topic? Read our definitive guide here.

ECOFLOW
ECOFLOWhttps://www.ecoflow.com/
EcoFlow is a portable power and renewable energy solutions company. Since its founding in 2017, EcoFlow has provided peace-of-mind power to customers in over 85 markets through its DELTA and RIVER product lines of portable power stations and eco-friendly accessories.

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