Updated September 2023
See Also: The Best Solar Generators For
The Best Solar Generators for Ultracap: Whole House and Off-Grid Backup
Do you want to be comfortable, have hardly anything to set up, and have the most amount of power during blackouts? Need to power an off-grid location where the power lines don’t reach? The Whole House and Off-Grid Backup units are designed to accomplish exactly that. Run important items such as a well pump, fridges, freezers, fans, lights, portable/window A/C units, CPAP, oxygen concentrator, TV, wifi, security, microwave, coffee maker, instant pot, crock pot, food dehydrator, and much more.
Whole House and Off-Grid Backup units are capable of making 240v power which means you can power your whole house* through a transfer switch. Run a well pump, use light switches, and plug devices into outlets like normal. No need for extension cords anywhere, your house is already ready to get power. The Whole House and Off-Grid Backup solar generators can power most 240v devices and have massive battery capacities, inverter output, and solar input capabilities. These systems offer the best options for running the entire house like normal.
See our top picks for portable solar generators in this category based on our own hands-on testing!
*Central A/C and electrically heated devices such as ovens, stoves, water heaters, central heating, and so on may draw too much power to be used on these systems for long periods of time.
#1 Hysolis Apollo
Introducing the all-powerful, industry revolutionizing, and mind-blowing Hysolis Apollo. Truly, we have never seen a solar generator or power station like this one before. Similarly, to how the Titan revolutionized the solar generator industry, the Apollo is now doing it too. If you’re looking for a super-powerful, do anything, go-anywhere type of solar generator, this is it.
The Greek God Apollo was capable of protecting people from evil, healing people from disease and illness could see the future, and was extremely powerful in battle. The name for this solar generator is very appropriately given.
For a quick view of the Hysolis Apollo, it will have a 3,000w inverter, 5,376wh internal removable battery, 4,000w of solar charging capability, 6,500 cycles on the LiFePo4 battery, 240v capable, extremely expandable, and an AC input charge speed that is programable up to 3,000w! This shouldn’t have been named the Apollo, it should’ve been named “The Beast!”
The Hysolis Apollo will quite literally be capable of running anything, as long as you build it to the necessary size. The vast majority of people have found that a 3,000w inverter is plenty strong enough to run their equipment, and that is why the Apollo has a 3,000w pure sine wave inverter with a 6,000w peak. That is for 120v power only, but the Apollo can attach two units together to make 240v power and have a 6,000w inverter continuous output rating and 12,000w peak.
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Apollo 5K
- $4,995.00
- Add to cart
#2 EcoFlow Delta Pro
Newer and more powerful solar generators and power stations are constantly coming out. This is wonderful news! The industry is catching up to what people want in an emergency backup power option. The EcoFlow Delta Pro is one of those systems that has brought to the market things that we’ve never had before. 240v capability, auto transfer switch, charging from EV stations super-fast, and much more. We’ll go over all of those things here in this full review of the Delta Pro in a 120v and 240v configuration.
Are you looking to run your well pump, keep all of the food in the fridge and freezer cold, and even run some air conditioning during the extreme heat of the summer? The EcoFlow Delta Pro is fully capable of accomplishing this. But is it the right system for you to go with? Does it perform better than the Bluetti AC300? Will it outpower anything that the Renogy Lycan Power Box 5000 can do? By the end of this review, we’ll know for sure.
The Delta Pro launched in early 2022, and when it launched it officially became the most powerful system on the market in terms of how much power it can continuously output. Using a pure sine wave inverter and a full 120v and 30a of power output, the Delta Pro can push out 3,600w non-stop for as long as the batteries and solar can last.
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- Sale!
Delta Pro 120v Kits
- $4,995.00 – $11,995.00
- Select options
Remember: If you need help deciding which system is best for your power needs or just have a general question, contact us and we would be glad to help!
#3 Bluetti AC300
There is no question that most people who are looking into powerful solar generators are considering the Bluetti AC300. On paper, it looks absolutely incredible. Its expandability is great, it can make 240v power, it can be monitored wirelessly, and even has really long-lasting LiFePo4 battery cells.
However, there are some major issues built into this system that have been deal-breakers for me. The main issues I have faced with the Bluetti AC300 solar generator are first the idle power consumption rate, the screen has multiple issues, and the efficiency varies greatly between units. My experience with customer service has also been horrible; I have never received an email back for any question or a phone call answered and their voicemail box is full.
But is it all bad? Definitely not. There are many great features like a powerful inverter, expandable batteries, a true UPS setting, and really good solar input. But is that enough to make it a considerable option? Only you can make that decision. For me though, not so much. Let me explain.
Spec Comparison
Our spec comparison chart is a live sheet that we regularly update as we test the latest solar generator units being released. For this reason, our chart may be updated before we have the chance to publish a full review on our website. If you catch any discrepancies between the rankings on this page and on the chart, always go with the chart first!
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Ben Gillmore, owner and founder of Powered Portable Solar, has been testing and researching solar powered generators for over __ years. Ben started PPS as a platform to educate others on how solar generators truly perform in real-life. Ben aims to explain things so that anyone can understand and is here to answer any questions you have!