The 10 Best Solar Generators (Reviewed by An Electrical Engineer) Contact online >>
The 10 Best Solar Generators (Reviewed by An Electrical Engineer)
Being proactive about your home’s electricity doesn’t necessarily make you a doomsday prepper — it just makes you a smart person.
Power outages, especially temporary ones, aren’t all that uncommon in rural, suburban and urban areas. So having a backup source of power when your home’s main energy supply isn’t available can give you real peace of mind and a sense of security.
A solar-powered generator is an excellent way to get reliable electricity in case of an emergency.
According to Chris Giallanza, a merchant at The Home Depot and expert on generators, “One of the biggest benefits is the portability that comes with battery power compared to gas.”
“Solar generators can be used indoors for portable power and emergency backup because they don’t produce dangerous emissions,” Giallanza told the New York Post.
David Wray, an engineer and reviewer who specializes in portable power solutions, told The Post that solar generators tend to be more expensive than gas-powered generators. “But they''re silent, or nearly so, which is extremely helpful especially when using them in a campsite setting where there are rules against noisy gas generators,” said Wray.
Solar-powered generators can be quite portable, so you can take them with you on a camping trip or to an outdoor party. You can also choose a larger one to function as an emergency supply in case of a power outage. Just note that not all generators come with solar panels, so depending on the model you choose, you may have to buy solar panels separately.
To help you find the best solar-powered generator, Wray and Giallanza rounded up the top models across multiple categories. Check out their FAQ for additional tips on finding the best generator for you.
Click below to jump to a specific category:
Wray recommended this as the top choice because he said its manufacturer has an “excellent track-record for support and built-quality.” When you’re investing in a device that you plan to rely on for something as essential as electricity, then you definitely want to prioritize trustworthy brands.
While this generator is small and lightweight enough to take with you on outings — it’s a little smaller than a desktop computer tower and weighs 27 pounds — you can buy additional batteries to increase its capacity and even connect it to your home’s power grid to act as a backup power source. If you want a generator that meets your small-time needs right out of the box, and can be expanded into a larger generator system in the future, you can’t go wrong with the DELTA 2.
In terms of price, power output (2,400W) and ability to charge quickly (0–80% in 65 minutes via AC power), this EcoFlow generator is a fantastic find. With a moderate weight of 48 pounds and the ability to expand its capacity by connecting it to external batteries, this generator can do double duty as both a portable power option when you’re out and about, and a small-scale backup option at home.
With the ability to power up to 15 devices at once, Giallanza said “the DELTA Max 1600 is one of only a few models worth considering as a viable replacement for gas generators of comparable power.” According to Giallanza, its only limitation is one that any generator will run into: not being able to run forever without recharging.
According to Wray, this generator “has all the features that most people would find desirable,” which include a rugged build, relatively quick charging times (3–4 hours via solar panels, about 100 minutes via AC input) and the ability to expand its capacity by connecting to additional PECRON batteries.
Part of that durability includes a lithium iron phosphate battery, which generally has a better safety profile than lithium ion batteries and can be fully emptied and recharged over 3,500 times before losing a noticeable amount of its maximum capacity. Plus, you can save money on additional batteries and solar panels by bundling them with your order — which is great if you’re starting from scratch.
“When shopping for a solar or battery generator, it''s worth a second look if you find battery capacity of over 1,000 watt-hours (Wh) for under $1,000,” said Giallanza. With 1,008 watt-hours and 1,500 running watts of power, Giallanza said you’ll get a bit more out of this one than a starter model. “And if budget is your top priority, look no further.”
This portable model is a smart choice if you want a generator to use occasionally. It comes in handy on camping (and glamping) trips, as well as outdoor events where you need to power a mini fridge, TV or small electric grill. Long RV trips where you need guaranteed power for your laptop or even a gaming system are also great reasons to pick up this device.
Coming from one of the most trusted brands in generators, this model is Wray’s favorite high-end pick because it fits an impressive power capacity into a conveniently compact design. Wray explained that the AC300 can serve as both a portable power station and a home backup station, and if you get the bundle option with BLUETTI brand solar panels, they’re designed to charge the generator more quickly than third-party panels.
Like any good generator, this BLUETTI device lets you recharge it and use it to power your personal electronics at the same time. But unlike most generators, this one also includes covers for nearly all the ports so you can easily keep them clean if you take the device on an outdoor trip. Right now, you can add a BLUETTI solar panel to your purchase and save at least a couple hundred bucks, too.
“Jackery continues pushing the bounds of gas generator replacement with some of its newer models, including this 3,000-watt monster for a little more than $2,000,” said Giallanza. “The Explorer 2000 Plus outlasts most other models on the market with 4,000 battery cycles thanks to more advanced lithium iron phosphate battery technology. Add to that fast-charge capability and a sleek telescoping handle for easy maneuverability, and there''s not much this model can''t do.”
In addition to promising thousands of charge cycles, the battery is also rated to last for 10 years, so you won’t have to worry about replacing it. If you want to grow your generator’s capacity, you can pick up extra batteries at any time and quickly connect them to the Explorer 2000 Plus. NOTE: Jackery includes solar panel when you buy it directly from them.
If you’re ready to invest in a generator for your home, this BLUETTI model is a safe choice. You can connect it to both your home’s solar panels and electrical grid, then choose to charge it either way. Wray recommended this model because it offers the trifecta of a large output, a large solar panel input (meaning it takes advantage of your home’s full solar panel grid), and an expandable capacity of nearly 20,000 watt-hours.
Another reason to consider this BLUETTI is that it helps you save money over time by letting you sell back excess energy to your power company. You can even save money on a daily basis by setting it to turn on during peak energy usage times (such as mornings and evenings) so you end up using the generator’s power and avoid paying elevated rates from the power company.
If you want a generator to use both on-the-go and for powering your home in emergencies, this expandable option is just what you need. On its own, it has a sizable 3,600W capacity that’s more than enough for powering small devices and power tools. When you connect it to your home’s power system, along with extra batteries, it transforms into a backup generator that will keep appliances in your home humming during an outage.
“Portable battery home backup is a relatively new concept, and this EcoFlow DELTA Pro is ahead of its time,” said Giallanza. “Powered by advanced lithium iron phosphate battery technology, the DELTA Pro will last for more than 6,000 battery cycles before the performance is impacted.” That means you can trust this device for years and years to come.
“Weighing in at just 22 pounds, the Jackery Explorer 880 is a compact model that''s easy to bring along to tailgates, camping trips and other activities,” said Giallanza. “Its 1,000 watts of power output and 880 watt-hours of battery capacity combine for hours or even days of use for small appliances like a mini fridge or for personal medical devices like a CPAP machine.”
This extremely portable generator also takes up minimal room in your car or campsite, so you won’t have to sacrifice bringing your extra-large cooler just to have the convenience of on-demand electricity. Plus, it has a built-in flashlight so you can safely operate it at night.
With this generator, you don’t have to give up the comforts of modern living when you go outside. “This is perfect for spending time outdoors,” said Giallanza.
Use it to power multiple devices at once through an array of AC and USB outlets. That includes automatic air mattress pumps, portable stoves and any other gadgets you like to bring with you. Plus, if you’re worried about running out of energy, you can easily connect it to Nature’s Generator Power Pods and have access to an even larger power supply.
For $500 more at The Home Depot, you also get a set of solar panels. “The heavy-duty solar panels included in the $1,500 price tag is what sets this model apart,” said Giallanza.
“The primary use cases are camping, RV-ing, van life and emergency home backup power,” Wray told The Post.
Even if you don’t see yourself falling into one of these categories, if you can think of any times when you would appreciate having access to portable and reliable power — maybe while tailgating, hosting a backyard movie night or playing music at an outdoor event — then you could definitely benefit from investing in a portable solar-powered generator.
If you’re interested in adding a backup or emergency power source to your home, you’ll want to go for one of the larger, non-portable generators. As Wray pointed out, these are best as short-term solutions for small-scale needs such as keeping on the lights and refrigerator, and powering your portable devices.
Ask yourself two questions to help you decide which solar-powered generator to buy:
To accurately calculate these numbers, Wray recommended getting a watt meter and plugging your devices into it one at a time and leaving them plugged in for the typical amount of time you would use that device. So you may leave your cell phone plugged in for two to four hours to get a full charge, and for an appliance such as your fridge, you would leave it plugged in for 24 hours to understand how much power you need to keep it running for a full day.
However, if you don’t have time for that, you can use an online calculator that lets you easily add devices and choose how long you’d want to run them for. You’ll then get an estimate of how many watt-hours you need to run all the devices you entered. From there, just make sure the generator you buy has a watt-hour amount that at least meets that amount.
“Some additional features like wireless charging, UPS mode, mobile app support and longer warranties offered by more established brands might be things to consider if those are important to you,” Wray said. “But personally, I consider these nice to have and not necessarily need to have.”
“The major area where portable power stations differ is battery chemistry,” said Wray. Most generators use one of two kinds of lithium ion batteries: LFP batteries that contain lithium iron phosphate, and NMC batteries that contain nickel manganese cobalt.
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