Bluetti Apex 300

4 / 5

Very good

pros and cons

Pros

• It offers a massive amount of power.
• It has huge expansion capability.
• It's very competitively priced.

Cons

• It has no USB or 12V outputs (optional extra).
• It's very heavy.

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I'm planning an off-grid cabin. I've lived in Wales, UK, my whole life, and the idea of an off-grid cabin is more than just a holiday retreat to me. Instead, it's a chance to embrace nature's rhythm, disconnect from the hustle of modern life, and strive for a more sustainable way of living. It's something I've had on my mind for a few years now.

Now, after years of dreaming and planning, I'm rolling up my sleeves and turning this vision into reality.

But going off-grid doesn't mean stepping back into caveman times. I don't just want to survive, I want to thrive. To do that, reliable energy and communications are key. I've thought long and hard about achieving energy independence, considering a myriad of options: connecting to the grid, using gasoline generators, or harnessing energy from the sun (and maybe wind... maybe). 

A while ago, I settled on the idea of a power station connected to a solar array. Frankly, connecting to the grid feels old-school, and the thought of bird songs being drowned out by a noisy gasoline generator sucks (and have you seen the price of gasoline lately?!).

Also: The best portable power stations of 2026: Expert and lab tested

This is where the Bluetti Apex 300 comes in. Over the past couple of years, I've tested and reviewed several dozen portable power stations. After a lot of testing and deliberation, I've come to the conclusion that this powerhouse is just what I need -- reliable, powerful, and perfectly equipped to handle the challenges of my off-grid vision. From running essential appliances to keeping the lights on during long winter nights, this power station is set to become the beating heart of my off-grid setup.

Bluetti Apex 300

This 2,764.8Wh/3,840W power station is perfect as a standalone unit for homes and RVs, and can be expanded to become a huge power hub for those with solar panels or who want an off-grid solution.

details

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What makes the Apex 300 right?

OK, but what makes the Apex 300 the perfect choice?

Also: The hidden metric that makes these portable power stations truly worth your money

Inside the Apex 300 is an array of lithium-iron-phosphate cells that can store 2,764.8Wh of power, storing enough energy to fuel about 10% of the average household's daily needs. It might not sound like much, but I'm not planning to power an entire modern home from it (and if I need more power, I have a plan... but more on that another time). For an eco-conscious build, this is a lot of power. The batteries are rated for 6,000+ recharge cycles before wearing out, giving them a 17-year lifespan.

The Apex 300 is also built for flexibility and can be charged from a variety of sources:

• The obvious choice is an AC outlet (which can take the Apex 300 from flat to 80% in just 45 minutes).
• Solar input is another option (it can handle anything from a small to medium solar panel to a massive array pushing out up to 2,400W with the built-in charge controller, or a whopping 6,400W with the addition of the SolarX 4K MPPT solar charge controller ).
• It can also be charged from a vehicle (either a 12V system or using Bluetti's DC-to-DC charger ).
• Other options include a gasoline generator or even a combination of these sources.

The Apex 300 even lets you choose your priorities. Do you want fast charging, knowing the cooling fans might kick in and disturb your peace, or would you prefer a quieter, albeit longer, charge time? The choice is yours.

Also: How my portable wind turbine compares to solar panels - 2 years of testing later

My plan is to use solar. Yes, I'm in the UK, which isn't exactly known for boundless sunshine. But even on a cloudy day, modern solar panels do a great job of harvesting what Mother Nature offers for free.

No USB, but I'm OK with that

In terms of output, the Apex 300 can handle dual 120/240V (the UK version I have is 240V only, and the 120V/240V switch is replaced by a customizable "Magic Button"), up to 3,840W on continuous load, and surge voltages up to a whopping 7,680W.

Unless you're a power nerd, these are just numbers. In the real world, this means I'll have no trouble running high-demand appliances like kettles, space heaters, hair dryers, and even some power tools. At the same time, I can charge multiple laptops and phones simultaneously using the unit's six AC outlets. It could also power devices like CPAP machines or even air conditioners, but I'm not planning on using it that way.

What the Apex 300 doesn't have is USB, 12V/10A car outputs, or an Anderson port. This might surprise some people, but I see Bluetti's point in designing a simpler, more modular system. Those who want these low-voltage ports can add them using the optional Hub D1 , which provides two 100W USB-C ports, two 15W USB-A ports, a 12V car outlet, and a DC5521 port.

Also: The best cheap portable power stations of 2026: Expert tested and reviewed

Keeping the core Apex 300 as simple as possible allows it to maintain a low 20W idle standby current, ensuring it doesn't waste much power when it's not in use.

The unit is massive. Measuring 20.67 x 12.87 x 12.6 inches and weighing 84 lbs, it's a beast that makes a big impression. The unit includes ammo-crate-style handles, allowing for one (very strong) person or two people to lift and move it. Given the weight, it has to be built tough, and it is. Bluetti claims the Apex 300 has been tested to MIL-STD-810G military standards, meaning it's as tough as a pair of soldier's boots, and built to endure and last for many years.

It's fantastic... but huge!

I've been putting the Bluetti Apex 300 through its paces over the last couple of months, carrying out my usual set of load and performance tests, and then putting it through its paces in real-world usage, and I'm blown away by how good this unit is. Yes, I have to admit that initially I was left looking for the absent USB ports, but I understand why Bluetti omitted them, and I'm not missing them enough to buy a Hub D1 (yet). My solution so far has been to use a mains-powered multi-port USB charger , which is a cheap yet perfectly acceptable solution to the problem.

Also: I stuck this power station in a freezer to test its subzero claims - here's how it held up

It's also quite shocking how hefty the Apex 300 is, especially the first time you pick it out of the box. At close to 90 pounds, this definitely falls into the "two-person lift" category for most. This isn't a power station that you want to be moving about too much, and if you've got it in a vehicle, it'll need lashing down to stop it from turning into a very heavy -- not to mention expensive -- projectile if you ever have to slam on the brakes.

Those wanting a luggable portable power station are better looking at something smaller and lighter -- like the EcoFlow River 3 Plus , DJI Power 1000 V2 , or Bluetti Elite 100 V2 .

Also: Bluetti AC240 review: One of the most durable power stations I've tested

Power output of the Apex 300 is exceptional. This can run pretty much anything you connect to it, making it perfect not only for RVs, but also home and off-grid usage. And if your needs grow (as they invariably do), then rather than throw out the power station and start again, you can add one or more B300K or B500K expansion batteries, up to six for a single Apex 300, for a whopping 33kWh of storage. This sort of capacity doesn't come cheap -- in fact, you're going to be handing over a minor monarch's ransom for a full setup -- but if you hook the system up to a decent set of solar panels, you'll start saving money from day one.

The app is also pretty good, and it makes much more sense for a home-based power station than it does for one designed for camping. After all, it's much more likely to be in the range of a Wi-Fi network, and there are far more settings to dig through.

Also: Need power at the campsite? This portable battery station has several days worth

I'm also not fussed about the absence of LED lighting on the power station. I know some people love the built-in lighting, but I've never really been a huge fan. It's either some eye-piercing spotlight that's far too bright and focused, or a random strip light that's too diffused and never in the right place. Again, I'd much rather connect my own lighting to the system .

Oh, and do yourself a favor, and update the firmware on the unit before doing anything beyond connecting it to a network -- I hear from a lot of people who get frustrated that things don't work with their new portable power station, only to find that patience and a firmware update makes all their problems go away.

's buying advice

The Bluetti Apex 300 is normally priced at $1,699, but right now you can get 15% off, bringing the price down to $1,444. Even at full price, this is extremely competitive for such a big, versatile, and well-made unit.

Having extensively put this through its paces, I really can't fault it.

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