Making the switch to solar is exciting.
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But it can quickly become overwhelming once you start researching to find the best solar power system for your needs.
Sound familiar?
Don't worry. You're not alone.
Read on for an overview of the factors you need to consider when deciding on the ideal solar power system for you, including:
Let's dive in!
First and foremost, you must determine how much electricity you need to power all the devices and appliances you want to run simultaneously.
It doesn't matter if you're buying a solar generator for camping or a whole home generator. You must start here.
If you don't know the combined running and starting wattage of the appliances you want to power simultaneously, your solar power system purchase could end up being a very costly mistake.
Here's how to determine your total electricity consumption needs.
Volts (V) x Amps (A) = ''Watts (W)
Solar panels ' also commonly known as photovoltaic (PV) panels ' are a necessity for any solar power system. The are three primary types of solar panels used for consumer applications.
Let's briefly go over each:
The gold standard for solar panels, monocrystalline panels boast a sleek appearance, and the solar cells inside (typically around 150 in a 400W rigid solar panel) consist of a single crystal of highly durable silicone.
One downside of mono PV panels is that they produce a significant amount of waste in production, which helps contribute to increased production costs.
But, for many, the resulting higher price tag is a worthwhile tradeoff in the long run. Mono PV panels have the highest efficiency rating ' usually between 20% and 23%. Efficiency as a solar panel spec indicates the amount of direct sunlight per M2 of a panel's photovoltaic surface it can convert into electricity.
EcoFlow's rigid solar panels have an industry-leading efficiency rating of 23%, up to 10% more than competitor's polycrystalline or thin film counterparts.
Essentially, this means you can produce more electricity using less space (and potentially fewer panels) than with poly or thin film PV panels.
Over the long run, generating more electricity saves you more money on utility bills. Once your solar payback period is achieved, the money you save goes straight into your pocket. Depending on the size of your solar array and your electricity consumption needs, mono panels may offer a better return on investment.
Polycrystalline panels are a popular option with many consumers because they typically carry a significantly lower price tag. However, their lower efficiency rating may actually cost you money in the long run.
Poly PV panels lack the sleek all-black look of monocrystalline panels. If aesthetics aren't an issue ' and you're not hampered by limited rooftop or exterior space ' polycrystalline can be a viable choice. Because of their lower efficiency, poly panels require more surface area to produce the same amount of electricity as monocrystalline panels.
Polycrystalline panels also use silicone solar cells. But rather than the cells being made of a continuous silicon crystal, they consist of many silicon fragments melted together. This construction results in the checkerboard appearance they're known for.
With polycrystalline solar cells, there's virtually no wastage. Manufacturing PV panels is cheaper and more eco-friendly than producing monocrystalline panels.
They come with a lower capacity and efficiency than their monocrystalline counterparts but at a more affordable price.
Thin film PV panels are even less efficient than polycrystalline PV panels, and their rated power capacity is typically low. However, their unique characteristics make them viable in some solar panel arrays. Thin film panels earn their name. They are up to an astounding 350 times thinner than polycrystalline or monocrystalline panels.
Thin film panels are made from various materials, including copper indium gallium selenide, cadmium telluride, and silicon. However, it's a non-crystalline silicon, not the same as what's used in polycrystalline and monocrystalline solar cells.
The primary benefit of thin film panels is their flexibility. It allows them to be easily installed on irregular or curved surfaces such as those found on RVs.
Thin film panels aren't your only option if you aim to maximize your available surface area for electricity generation. EcoFlow's flexible solar panels offer the same benefits but with monocrystalline solar cells and 23% efficiency ' unheard of with standard thin film panels.
Aside from panels, what else do you need to get your system up and running? Below, we'll cover some additional components to consider.
This may seem obvious. But solar panels only generate electricity while the sun shines, and your PV panels absorb the photons in sun rays. Unless you opt for a grid-tied system, you must store the electricity your panels generate in a solar battery.
For off-grid solar power systems, a solar battery and other balance of system components are essential.
First of all, you need to decide whether you want to invest in an all-in-one system like EcoFlow's portable power stations, solar generators, and power kits.
You also have the option to go for a DIY approach and buy the required components from different manufacturers. But navigating compatibility can be challenging.
Unless you're highly experienced with electrical DIY projects, choosing to custom build a solar power system is risky. You're probably going off with a professional installer if you want to purchase components separately.
Solar panels capture DC electricity. Household appliances and personal devices ' basically everything you would ever want to use ' run on AC electricity. An inverter converts solar energy into household electricity. It's an essential component of any grid-tied or off-grid solar power system.
Solar power isn't wireless (yet!)
Depending on the manufacturer(s) you choose, your solar power system may come with all the wiring you need. If you work with a professional installer, they'll supply all the required cabling (and charge you for it).
If you're purchasing components from different manufacturers, select a universal standard (or the closest thing to it) for connecting separate components. Outside of solar power, USB-C is an excellent example of a universal standard. EcoFlow solar connectors are nearly universally compatible.
Many modern solar power systems are easy to install if you're an experienced DIY enthusiast, particularly if you purchase an all-in-one solution like an EcoFlow solar generator.
If you opt to install a residential rooftop solar panel array, exercise caution. Hiring a professional installer is a much better option than a nasty fall.
We've already covered the different types of solar cells: monocrystalline, polycrystalline, and thin film. Based on the brief explanations of each, you might already know which one you want to go with.
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Besides the solar cell type, you have rigid, portable, and flexible solar panel options.
Rigid PV panels are designed for permanent installation on residential rooftops or RVs. With an IP68 rating and an industry-best 23% efficiency rating, EcoFlow's 100W and 400W rigid solar panels are the ultimate for permanent installations on relatively flat surfaces.
If you like to go on outdoor adventures or don't stay in one place for too long, EcoFlow 400W Portable Solar Panels might be best for you. Portable panels are convenient for powering small devices on the go. You can even use them to supply energy to you in your RV.
If you're camping or even hiking, you can still bring off-grid electricity on your trek. The EcoFlow RIVER 2 solar generator weighs only 7.7 lbs (3.5 kg) and can easily fit in your backpack.
Portable solar panels are easy to bring wherever you go due to their lightweight and foldable construction, allowing you to take power wherever you need it.
Want to install more PV panels but don't have a flat surface?
Flexible solar panels could be the answer for you.
Ecoflow's flexible solar panels bend to accommodate installation on curved and irregular surfaces. With a maximum rated power output of 100W, you probably won't choose to build your full solar panel array out of flexible solar panels.
But unlike thin film flexible PV panels, Ecoflow's feature monocrystalline solar cells and perform at 23% efficiency. That's the same industry-leading efficiency rating as Ecoflow's rigid and portable options.
If space is at a premium ' and if you're shopping for flexible solar panels, it probably is ' higher efficiency means you can generate more electricity with your available surface area.
An inverter is an essential component of any solar power system. All the sunlight and solar panels won't help if you can't convert solar power into household electricity.
If you're shopping for an all-in-one system like a Power Kit or whole home generator, the inverter is included.
If you're going the DIY route, do your research before making a purchase. An inverter is not something you want to skimp on.
Next, you'll need to choose your solar battery.
Remember, solar panels only produce electricity while the sun is out. If you're installing a grid-tied system, a solar battery isn't required but you won't have electricity during a blackout.
Below, we'll briefly cover four solar battery chemistries to consider. The chemical composition is the primary determiner of its performance.
Lead acid batteries have been on the market for ages. Think Duracell and the Energizer Bunny.
They have a relatively short cycle life and lower depth of discharge than other types of batteries, but they're a budget-friendly option.
Just keep in mind that a lead acid battery will only last for about 500 cycles.
Nickel Cadmium batteries are typically superior to lead acid when it comes to cycle life and performance. One advantage of NCM batteries is that they function well in a wide range of applications ' making them well-suited for commercial applications such as air travel.
EcoFlow DELTA Max is the only current EcoFlow portable power station to use a Ni-Cad battery, but it's recently been upgraded to the award-winning EcoFlow DELTA 2 Max.
One look at the cycle life, recharge times, and overall performance between the Max and Max 2 will show you what a difference battery chemistry (Max 2 uses LiFePO4/LFP) can make.
Most new solar installations use a form of lithium-ion battery chemistry. These batteries are lighter and more compact than their lead acid counterparts but come with a higher price tag.
A lithium iron phosphate battery (LFP/LiFePO4) is a newer subset of lithium-ion battery that's becoming increasingly popular for many reasons, including its long cycle life, fast recharge times, depth of discharge, and safety. LFP is used in our flagship product, the EcoFlow DELTA Pro portable power station and the vast majority of our other products.
There's a humanitarian benefit to LFP vs. Li-ion batteries too. Cobalt is one of the essential materials used in all traditional Li-ion batteries. 70% or more of the world's cobalt is mined and processed in the Democratic Republic of Congo under brutal labor conditions. Including by children as young as six years old.
LiFePO4 batteries are cobalt-free.
Not only will they give you better performance, you can feel like a better person for choosing one too.
The new kid on the block, saltwater batteries don't contain heavy metals and use saltwater electrolytes instead. As a result, they're much easier to recycle. However, this new technology is still largely untested and isn't widely available.
Do you want to install your own solar power setup or hire someone to do the installation for you?
Depending on the type and size of your power system, installation can be quite an endeavor to tackle on your own ' particularly if you're planning a rooftop installation.
If you choose to work with a professional installer, do your research and choose carefully.
Once your system is up and running, make sure you keep up with cleaning and maintenance so to maximize the benefits of solar power.
One of the most significant advantages of switching is cutting your electricity costs. Once you save enough money to offset the cost of your solar system, your solar payback period will be over, and all of that will go right into your pocket!
You'll get the best return on your investment by maintaining and upkeeping your system correctly.
Solar panels typically only require cleaning 2-4 times annually but follow the manual provided by your solar company for specific care and maintenance instructions for your system.
Spring and fall tend to be good times to perform this maintenance, as the panels may need cleaning after the winter months, as debris and dust can accumulate during that time.
As you can see, there are many factors to consider when choosing the right solar power system for you.
If you follow all the steps above, you should be armed with the knowledge you need to make the right decision for your household.
Don't know where to start?
Check out EcoFlow Whole Home Generator Solution today.
From camping to powering your entire house, EcoFlow has an off-grid electricity solution for everyone!
Contact us to discuss your requirements of perc solar panels. Our experienced sales team can help you identify the options that best suit your needs.