In 2025, solar generators have exploded in popularity—dozens of new models are hitting the market, and everyone’s asking the same question: which solar generator can actually keep your home running when the lights go out?
We put the top contenders to the test so you don’t have to.
By the end of this guide, you’ll know:
- Which generators can keep your whole house running (and which are better for just the basics).
- What really matters when comparing them—things like capacity, expandability, recharge speed, and battery chemistry.
- Which models fit your vibe—whether that’s powering the whole house, surviving icy winters, or keeping things budget-friendly.
Here’s the kicker: our picks aren’t based on brand hype.
We dug into real-world performance—how much storage they offer, how quickly they recharge, and how long the batteries last, and how seamless they are in an outage.
The result is a clear, no-fluff list of solar generators that’ll actually keep your home powered when the grid goes down.
Real Talk: Everyone’s experience is a little different — it all depends on how you use the product and what you’re into. So, before you dive in, think about what really works for you!
Why Everyone Is Talking About Solar Generators
Solar generators are basically giant rechargeable batteries that can be topped up by solar panels, wall outlets, or even your car.
Unlike gas generators, they’re:
- Quiet (no more sounding like a lawnmower in your living room)
- Clean (no fumes or carbon monoxide risk)
- Smart (many connect to apps and have UPS features for instant backup)
- Long-lasting (thanks to LiFePO4 batteries that last thousands of cycles)
- Scalable (add extra batteries when you need more juice)
In short: they’re safer, more sustainable, and way less hassle than traditional generators.
Top Solar Backup Picks to Keep Your Home Powered in 2025
Here’s the lowdown on the hottest solar generators and power stations lighting up homes this year.
1. EcoFlow DELTA Pro 3 – The Whole-House Heavyweight
If you want a system that can actually keep your house powered like nothing happened, this is it.
- Output: 4,000W continuous (expandable up to 12,000W with additional units)
- Capacity: 4,096Wh (expandable to 12kWh)
- Battery: LiFePO4 (ultra safe, super durable)
- Cool Features:
- Dual solar input for crazy-fast recharging
- Works with EV chargers
- Dedicated 240V outlet for big appliances
- Integrates with EcoFlow’s Smart Home Panel
- Switches to backup in under 10 ms
Why you’ll love it: It’s the closest thing to replacing the grid entirely. Perfect if you want seamless, whole-home backup without compromise.
2. Anker SOLIX F3800 – The Expandability King
Think of this one as the “buy now, grow later” option.
- Output: 3,800W continuous (up to 6,000W surge)
- Capacity: 3,840Wh, expandable up to 26,880Wh with additional battery packs
- Battery: LiFePO4, built to last 3,000+ cycles
- Cool Features:
- Charges to 80% in about an hour with AC power
- Modular battery design—stack more as you need
- Rugged build for serious use
- Remote control via app
Why you’ll love it: Flexibility. Start with the base model, and if your power needs grow, just add more batteries. It’s like LEGO for your home energy.
3. Jackery Solar Generator 3000 Pro – The Cold-Weather Hero
Jackery is famous for being portable, and the 3000 Pro proves it can be both portable and a serious home backup powerhouse—talk about the best of both worlds!
- Output: 3,000W continuous (6,000W surge)
- Capacity: 3,072Wh (expandable)
- Battery: Lithium Iron Phosphate (LFP)
- Cool Features:
- Operates effectively in cold temperatures, down to -20°C
- Whisper-quiet operation
- Built-in wheels for easy moving around
Why you’ll love it: It doesn’t just survive in freezing winters—it thrives. If you’ve got a cabin or live in a colder region, this is a dependable choice.
4. BLUETTI AC200MAX – The Budget-Friendly All-Rounder
Don’t want to spend big but still want reliable backup? The AC200MAX hits the sweet spot.
- Output: 2,200W continuous
- Capacity: 2,048Wh (expandable up to 8,192Wh with additional battery modules)
- Battery: LiFePO4
- Cool Features:
- Remote monitoring via app
- Flexible charging (AC, solar, car, or even lead-acid batteries)
- Modular design so you can expand later
Why you’ll love it: It’s affordable, expandable, and perfect if you just want peace of mind for outages without diving into a full-scale system.
Quick Comparison
| Generator | Output | Capacity | Expandable? | Best For |
|---|---|---|---|---|
| EcoFlow DELTA Pro 3 | 4,000W (12kW w/ 3 units) | 4,096Wh (12kWh max) | Yes | Whole-home backup |
| Anker SOLIX F3800 | 3,800W (6,000W surge) | 3,840Wh (26,880Wh max) | Yes | Heavy loads, flexible growth |
| Jackery 3000 Pro | 3,000W (6,000W surge) | 3,072Wh | Yes | Cold weather, portability |
| BLUETTI AC200MAX | 2,200W | 2,048Wh (8,192Wh max) | Yes | Affordable, everyday backup |
How to Pick the Right One for You
Buying a solar generator isn’t a one-size-fits-all deal.
Here’s what to think about before you buy:
- What do you actually need to power?
- Just the basics (lights, Wi-Fi, phone charging)? Go for BLUETTI AC200MAX.
- Fridge, microwave, medical devices? Jackery 3000 Pro or Anker SOLIX F3800.
- Whole home with AC and big appliances? EcoFlow DELTA Pro 3 is your guy.
- Do you want to expand later?
If yes, focus on expandable models like the Anker SOLIX F3800 or EcoFlow DELTA Pro 3, which offer scalability through additional units or battery packs. - Battery chemistry matters.
Stick with LiFePO4 (or LFP) batteries. They’re safer, last way longer, and hold up better in extreme temps. - How fast can it recharge?
The Anker SOLIX F3800’s 1-hour charge time is unbeatable if you want a quick turnaround. - UPS feature is a lifesaver.
If you work from home or rely on medical devices, UPS (uninterruptible power supply) means your power kicks in instantly when the grid goes down.
Here’s Our Top Pick for Hassle-Free Home Solar Backup in 2025
If you want a solar generator that’ll actually keep your home running smoothly, the EcoFlow DELTA Pro 3 is the clear winner. It’s powerful, expandable, integrates directly into your home, and has the fastest switchover time for sensitive electronics.
But it’s not one-size-fits-all:
- Need insane expandability? Go Anker SOLIX F3800.
- Live somewhere cold? The Jackery 3000 Pro won’t let you down.
- Looking for reliable backup on a budget? BLUETTI AC200MAX is your match.
The Bottom Line
Outages are unpredictable, but your backup power doesn’t have to be. With one of these solar generators, you’ll keep the lights on, the fridge cold, and your devices charged—no gas cans required.
So next time the grid goes down, you won’t be scrambling for candles. You’ll just flip a switch and carry on like nothing happened.
That’s the beauty of solar backup in 2025: reliable, expandable, and ready whenever you need it.
This article was fact-checked and reviewed for accuracy as part of our commitment to being the most trusted off-grid power guide in the United States.