EcoFlow DELTA 3 Series Comparison: Which One Is Best for You?
Not sure which EcoFlow Delta 3 Series power station is right for you? Don't worry, we've got you covered. This guide breaks down the differences so you can make an informed decision without the guesswork.
What Is the EcoFlow DELTA 3 Series and Who Is It For?
Offering a mix of portability, capacity, and smart control, the DELTA 3 Series suits anyone needing backup power at home or on the go. Whether you're keeping the lights on during an outage or charging your gear at a campsite, these power stations are built to keep things simple and dependable.
The series includes three models, each suited to different situations:
DELTA 3: A compact power station that covers everyday basics and can expand if you need more.
DELTA 3 Plus: Adds smarter features like advanced NAS & HID support and dual solar input for faster, more flexible charging.
DELTA Pro 3: A high-capacity option that's ready for full-home backup or heavy-duty use.
All three run on long-lasting LFP batteries, charge up quickly, and can be controlled through the EcoFlow app. So, whether you're new to portable power or looking to upgrade, there's likely a DELTA 3 model that fits your needs.
A Closer Look at DELTA 3, DELTA 3 Plus, and DELTA Pro 3
Let's take a closer look at what each DELTA 3 model offers, and how they compare in real-world use to help you figure out which one fits your needs best.
Feature | DELTA 3 | DELTA 3 Plus | DELTA Pro 3 |
Base Capacity | 1024Wh | 1024Wh | 4096Wh |
Expandable Capacity | Up to 5kWh | Up to 5kWh | Up to 12kWh (or more with chaining) |
AC Output | 1800W (Surge 3600W) | 1800W (Surge 3600W) | 4000W (Surge 8000W) |
X-Boost Max Device Power | 2400W | 2400W | 6000W |
Battery Chemistry | LFP (4000 cycles to 80+% capacity) | LFP (4000 cycles to 80+% capacity) | LFP (4000 cycles) |
Charging Speed | 0–100% in 56 min | 0–100% in 56 min | 0–80% in 60 min |
Solar Input | 500W | 2 × 500W | 2600W max |
UPS Support | Yes, <10ms | Yes, <10ms (with NAS & HID support) | Yes, <10ms (with NAS & HID support) |
USB-C Output | 2 ports, 100W Max | 2 ports, 140W Max | 2 × 100W Max |
NAS / HID Compatibility | No | Yes | Yes |
App Control / Smart Features | Yes | Yes | Yes |
Weight | 12.5kg | 12.5kg | 51.5kg |
Use Case Fit | Light backup & travel | Smart homes & sensitive electronics | Whole-home & heavy-duty use |
DELTA 3: Reliable Power Without the Extra Baggage
EcoFlow DELTA 3 Portable Power Station delivers dependable backup power in a compact form. Weighing up to 12.5kg, it's designed for easy portability while providing enough energy to keep your essentials running—lights, phones, laptops, even a mini fridge.
X-Boost mode lets it handle higher-wattage appliances such as kettles or induction hobs. Recharging from 0–100% takes less than an hour via AC. It also supports solar and car charging when you're off-grid.
With the EcoFlow app, you can monitor usage and control key functions right from your phone.
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DELTA 3 Plus: Extra Features, Same Practical Size
Built on the foundation of DELTA 3, the EcoFlow DELTA 3 Plus Portable Power Station model adds smarter features and broader compatibility. Enhanced UPS support ensures seamless switching for NAS systems, routers, and HID devices, helping maintain your setup during outages.
You get dual solar input for faster solar charging, and improved USB-C output up to 140W. Control and monitoring are fully supported through the EcoFlow app, letting you manage performance, track input/output, and customize settings from anywhere.
DELTA Pro 3: Big Power for Bigger Plans
With 4096Wh of base capacity (expandable to over 12kWh), EcoFlow DELTA Pro 3 Portable Power Station is designed for full-home backup, off-grid setups, or high-demand tools and appliances. It can run air conditioners, power tools, washing machines—even charge electric vehicles.
It recharges quickly via wall or solar (up to 2600W) and offers a wide range of ports to support complex needs. At 51.5kg, it's less portable, but purpose-built for those who need reliable, scalable power without compromise.
EcoFlow DELTA Pro 3 Portable Power Station
Why the DELTA Pro 3 Is the Flagship Choice
DELTA Pro 3 was built for people who need serious, reliable backup without relying on permanent setups.
With 4096Wh of base capacity, 4000W output, and expandability up to 12kWh or more, DELTA Pro 3 offers serious backup potential that rivals traditional systems—minus the noise, fuel, and maintenance. Whether you’re powering your entire home during an outage or keeping energy flowing to a remote cabin or workspace, Pro 3 gives you the headroom and reliability to do it all.
You also get:
Super-fast charging from solar, AC, or even EV infrastructure
A full suite of ports, including AC, USB-A/C, Anderson, and car outlets
An IP65-rated enclosure that stands up to dust, water, and weather
Quiet operation and smart control via the EcoFlow app, Wi-Fi, or Bluetooth
What makes it the flagship isn’t just the power—it’s the flexibility, the built-in safety, and the ease of use. You don’t need to be a technician to use it, and you don’t need to compromise when it comes to performance.
If you want the best we offer in a portable format, this is it.
Which DELTA 3 Model Matches Your Lifestyle
Not sure which model is right for you? Start by thinking about how much power you need, how often you’ll use it, and how portable it needs to be. Here's a quick way to narrow it down:
Start small, stay flexible?
If you're just getting into portable power or want something for basic home backup or the occasional trip, the standard DELTA 3 gives you enough capacity for essentials—without taking up too much space or budget. It’s a good match for first-time users or light, occasional use.
Need something smarter for your setup?
If you work from home, run smart devices, or need reliable UPS backup, the DELTA 3 Plus offers more control and smoother transitions during outages. It’s ideal if you want something more future-ready without going overboard.
Planning for full-home or off-grid power?
If you're looking to power heavy appliances, get through longer outages, or build a more serious backup system, the DELTA Pro 3 has the capacity and expandability to support it. It’s best suited to people who know they’ll need reliable, high-output energy—often.
Each model in the EcoFlow DELTA 3 Series Portable Power Station line-up has the same dependable foundation. Your choice just depends on how much you need, how often, and where you’ll use it.
Ready to Choose?
There’s no one-size-fits-all when it comes to portable power, but with a range of reliable options to choose from, it’s easy to find one that fits the way you live. Whether you're looking for a compact backup or something more heavy-duty, there’s a DELTA 3 model to match.
Still comparing? Take a look at the full specs on our Portable Power Station page and see which one checks your boxes. The right power station should make things simpler, so you can focus on everything else.